In both Hollywood and the music industry, it is always 50/50 in terms of whether or not a high-profile celebrity marriage will make it or not.

Back in the day, tons of people out there thought the union between singers Gwen Stefani and Gavin Rossdale was utterly adorable. They were seen as an iconic power couple with a picturesque life to envy, complete with three children.

Of course, then came the bombshell that Rossdale had been unfaithful to his now-ex-wife and that led to a tumultuous period for both celebs where the rumors were flying around faster than Superman.

Read on to learn more about some of the eyebrow-raising parts of their relationship and their untimely split.

20 They Met When They Definitely Weren't Sober

According to Cheatsheet, Rossdale and Stefani didn’t exactly have a stereotypical “love at first sight” moment when they met.

Rossdale admits that he hosted a party in New Orleans just as an excuse to meet her and the two of them were definitely not sober during the first time they met.

19 Gavin Didn't Tell Her He Had A Daughter

Cheatsheet writes that right after Rossdale and Stefani tied the knot all the way back in 2002, it was revealed that the former was the father of a 14-year-old model named Daisy Lowe.

That right there is a huge red flag, but Gwen forgave him for not telling her about his child.

18 Gwen Was Devastated When She Found Out He Was Cheating

There had to be some red flags raised in the relationship before the news broke that Rossdale was cheating on his wife, but apparently Stefani brushed them off because the scandal came as a huge surprise to her.

Cheatsheet notes that Stefani admitted that she was shocked to learn her husband was cheating on her with another woman.

17 Gavin's Secret Flame Was Their Children's Nanny

To make the news of Rossdale cheating on her even worse, Stefani soon learned that she knew the woman.

According to Cheatsheet, Stefani found out in February 2015 that her hubby had decided to cheat on her with a woman named Mindy Mann, who was their children’s nanny of all people.

16 He Also Had An Affair With Courtney Love

If Stefani ever held out any hope of reconciling with Rossdale, it was shattered when Courtney Love dropped a bombshell out in public.

US Magazine writes that Love admitted to the world that she and Rossdale had an eight-month-long affair back in 2010, which was further proof of Stefani’s husband’s infidelity.

15 All Gwen Wanted Was A Happy Marriage With Her Parents

After finding out that her hubby had cheated on her not once, but twice during their marriage, poor Stefani was heartbroken.

Cheatsheet notes that she took the betrayal hard because all she ever wanted to have was a steady relationship like the one her parents had, complete with marriage and children.

14 Courtney Love Revealed Her Affair With Gavin Live On The Howard Stern Show

To add insult to injury, not only did Love announce that she and Rossdale had a thing going on between them in public, but it was on a talk show too.

US Magazine writes that Love admitted to her affair when she made a guest appearance on The Howard Stern Show on Sirius XM Radio.

13 Gavin Almost Broke Up With Gwen To Be With Courtney

Aside from shocking the entire world (and Stefani) by announcing that she helped Rossdale be unfaithful to his wife on The Howard Stern Show, Love decided to drop yet another bombshell.

US Magazine writes that Love told Stern that she “had a vision of marrying Rossdale” at one time, but decided against it.

12 The Two Butted Heads When It Came To The Custody Of Their Children

Sadly, Stefani’s split from her husband Rossdale was not an easy situation. The two of them butted heads about custody of their children, a fight that lasted two years after the divorce was finalized.

E!Online writes that the two agreed to mediation since they couldn’t come up with a solution on the care, custody and upbringing of their children.

11 Gwen Accused Gavin Of Living A Rockstar Lifestyle That Would Be Bad For The Kids

According to E!Online, Stefani wanted more custody of her children because she didn’t want them to expose them to her ex-husband’s lifestyle.

Stefani accused Rossdale of being the less consistent parent because he is still stuck living in the stereotypical “rockstar” lifestyle of partying all night while out touring the world.

10 He Stalked Gwen Before They Dated

To further add to the hot mess that was Gwen Stefani and Gavin Rossdale’s divorce, the latter acted creepy towards her before they were even an item.

According to Yahoo! Entertainment, Stefani admitted in an interview with Howard Stern that somehow Rossdale had gotten her phone number and he stalked her before they even met.

9 Gavin Claimed Divorce Was Painful For Him

E!Online writes that Gavin Rossdale said in an interview a while back that divorcing Stefani was one of the most painful things he has ever experienced in his entire life.

Sure, it’s good he was still respectful of his ex-wife for the sake of their kids, but if you don’t want to go through a painful divorce, don’t cheat.

8 He Allegedly Cheated On His Ex-Wife When She Was Recovering From Giving Birth

Access Hollywood notes that there was a shocking rumor making its way around that left plenty of people very surprised.

Allegedly, Rossdale left the hospital right after his wife had given birth to their son Apollo in order to go be with Mann. Neither his nor Stefani’s rep ever answered, so no one knows if there’s any truth to this.

7 The Nanny Gavin Cheated With Was A Dead Ringer For Gwen Herself

The affair with Mann, who worked as the children’s nanny, was already not cool, but Rossdale apparently couldn’t resist the chance to make the whole thing even more sketchy.

E!Online writes that many people pointed out after the news broke that Mann bore a striking resemblance to Stefani and even imitated some of her hairstyles. Can we say creepy?

6 Gwen Dissed Him In A Song

Gwen Stefani managed to get in a few jabs at her ex-husband Gavin Rossdale and give her side of the story via music.

E!Online notes that her single Used To Love You was partially written on one difficult night Stefani had when she found out her husband was being unfaithful to her.

5 She Struggled With Trust Issues After The Divorce

Even though Gwen Stefani has found new love with country star Blake Shelton, jumping back into the dating game was very difficult for her.

People writes that Stefani admitted she had “trust issues” when she first started dating; thankfully Shelton understood and the two of them didn’t immediately jump into a relationship ASAP.

4 The Divorce Was Really Hard On The Kids

In an interview with Harper’s Bazaar, Stefani noted that the divorce was really difficult for her children and they had some issues getting accustomed to it.

After all, they went from seeing both of their parents to having to journey back and forth between them as per the custody agreement.

3 Gwen Implied The End Of The Relationship Was Worse Than Anybody Really Knows

While Stefani never really gave out too many juicy details about the nitty-gritty of what went down when she found out that Rossdale was cheating on her and the subsequent divorce, she implied that it was far worse than we thought.

In an interview with Cosmopolitan, she said that the period of her life was akin to being “tortured.”

2 The Two Are Attempting To Co-Parent Their Children

After an arduous divorce and a lot of arguments about who gets custody of their children, Stefani and Rossdale finally reached a happy medium that works for their children.

Yahoo! Entertainment writes that the former couple finally agreed to co-parent their three kids and after a period of turmoil, the children finally have somewhat of a normal schedule.

1 Allegedly Gavin Refused An Annulment From Gwen

Gwen Stefani has since moved on and started with a relationship with Blake Shelton; there’s even been rumors swirling around that the two want to get hitched at some point. But there’s just one obstacle: Gavin Rossdale.

Radar Online notes that there is a rumor that Rossdale won’t agree to an annulment, which puts a dent in their plans.

Sources: Cheatsheet, US Magazine, E!Online, People, Harper's Bazaar, Radar Online