Everyone likes to look their best but after being in a long term relationship, many couples begin to get a bit too "comfortable" and tend to let themselves go. It's a great feeling when a person knows they are loved no matter what their outward appearance is like, but that level of comfort is quickly pulled from beneath them when their relationship fails. Knowing they have to get "back on the market," or at the very least, having tons of anger at their ex-partner can be a wonderful source of motivation for people to get back in shape.

Hollywood Life declared that it's common for people to want to look their best after a break up, but celebrities tend to take that transformation to a whole new level. These famous faces dramatically changed after they nailed their post-breakup makeovers.

10 Khloé Kardashian

It's no secret that Khloe Kardashian was head over heels in love with Lamar Odom. Their beautiful bond was on full display for everyone to see on Keeping Up With The Kardashians, and fans fell in love with the way they were so smitten with one another. When news of Lamar's addiction and infidelity issues rose to the surface, these lovebirds went their separate ways.

It didn't take long for Khloé to hit the gym and change her eating habits, giving her one of the most incredible revenge bodies Hollywood has ever seen. No longer referred to as "the ugly duckling in the Kardashian clan," Khloé is now turning more than a few heads. She did so good getting her own groove back that she got her own reality TV show, Revenge Body With Khloé Kardashian.

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9 Adele

When Adele revealed that she and Simon Konecki were getting divorced, it seemed natural to fans that she became reclusive and dipped out of public view. While most fans believed Adele was mourning the loss of her marriage, the truth was she was on a huge weight loss kick and managed to work hard behind the scenes to drop a ton of weight. When she re-emerged, she looked like an entirely different person... a person that was a full 100 pounds lighter.

8 Katie Holmes

Katie Holmes was so young when she and Tom Cruise tied the knot, and it appeared that the marriage consumed her. She seemed almost child-like in her appearance when she was with Tom and had a very muted fashion sense.

After the complicated divorce, Katie tapped in to her inner-sexy-vibes and confidently began to appear in public wearing form-fitting clothing and looking as attractive as ever. She seemed to have been freed from a stifling marriage and is celebrating her new image by looking her absolute best.

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7 Jennie Garth

Jennie and Peter Facinelli were married for 11 years and when they divorced, Jennie Garth began to reinvent herself. She went on to re-create her own identity and began her transformation by dropping at least 20 pounds. She put a lot of focus on releasing her stress and anger through exercise and emerged from this stressful time looking better than ever.

6 Katy Perry

Katy Perry and Russel Brand may have only been married for 14 months, but during that time, Katy indicated that she felt like something about her was changing. She was dedicated to turning this devastating, negative experience into a positive one, and she did just that.

She debuted a new look, a bolder hair cut, and of course, she spent time working out so she could look her finest.  The fresh face that emerged after the divorce was perfectly poised for moving on to start a new adventure.

5 Ashton Kutcher

Most fans would agree that Ashton Kutcher has always been a looker. However, during his marriage to actress Demi Moore, it seemed he lost his sense of self and really began to let himself go. The casual, coordinated outfits he used to wear were suddenly replaced with oversized, disheveled looking clothes towards the end of his marriage. Ashton began to grow facial hair and started to look sloppy, until he and Demi went their separate ways.

The press reported on the fact that Ashton seems to have gotten his groove back and is now back to being clean cut and adorable in his new life with wife Mila Kunis, as he flashes his dimpled-smile to fans once again.

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4 Kelly Osbourne

Kelly Osbourne was left reeling when seven different men she was casually dating or speaking to hurtfully indicated that she was too overweight for their liking. Taking matters into her own hands, Kelly changed her lifestyle and underwent a drastic gastric sleeve operation to shed pounds and control cravings and future weight gain.

She admits this is an extreme measure but is thrilled to have undergone the change. When Kelly dropped the extra weight, even her most die-hard fans had to do a double-take to see if this was really Kelly they were looking at. She looked drastically different and fresh-faced.

3 Blac Chyna

Blac Chyna and Rob Kardashian put their very tumultuous relationship on blast for all the cameras to see. Reality TV seemed to take over their lives, and they both experienced a whole lot of weight gain. When things went sour with the couple, it was decided that their relationship is over. Blac Chyna lost a lot of weight and hit the gym to tone up. Rob Kardashian is now admiring her revenge body from a distance.

2 Demi Lovato

Pop star Demi Lovato and Wilmer Valderrama from That '70s Show were a hot item for quite some time. In fact, the two dated for six years before calling it quits. During their time together, Demi put on a few extra pounds, but she was very quick to transform her figure when they broke up. She put greater focus on healing and her full emotional and physical well being and emerged looking fit and fabulous. Wilmer has remained supportive of his ex long after their relationship ended.

1 Miranda Lambert

Miranda Lambert went through the ringer when she and Blake Shelton began divorce proceedings. The two were together for so long that their names were synonymous with one another, and Miranda worked hard to change that view right around. She hit the gym very hard and completely transformed her figure. Shedding the extra pounds and taking on a fresh new wardrobe that revealed her efforts, Miranda rocked the revenge body in a big way.

NEXT: ‘90 Day Fiancé’: Here’s Why Fans Say Colt’s New Date Is One Controversial Lady

Sources: Us Magazine, In Touch Weekly, Hollywood Life, The Irish Mirror