When news broke that Katharine McPhee and David Foster had begun a relationship back in 2017, fans were surprised. Foster had recently split with his wife of six-years, Yolanda Hadid, from The Real Housewives of Beverly Hills, and the relationship came as a shock to many. While the two did try to keep it under wraps for a long as possible, it can be difficult to have a private relationship as a high-profile celebrity.

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Katharine McPhee and David Foster have always been fascinating to those who are fans of the couple. Their large age difference took many by surprise, but the fact that they had worked together in the past was a piece of information fans had no idea about. In this article, we will be looking at a few interesting facts about McPhee and Foster many may not know about the power couple.

10 They Met On ‘American Idol’

McPhee was the runner-up on season five of the hit competition series American Idol in 2006. He was the coach for one week and helped her get ready to perform Whitney Houston's "I Have Nothing," which Foster wrote. Italian singer Andrea Bocelli stopped by to help her practice the song for the Top 6 performance. Little did they know, 11 years later, they would be a couple.

9 They Have a 34-year Age Difference

Foster is 71-years-old, while McPhee will be turning 37 later this month. Despite their 34-year age difference, the pair are the happiest they have ever been. The public was skeptical at first, but now that they have been in a relationship for almost four years, McPhee and Foster seem more legit than some newly-married young couples.

8 They Went Official at the Met Gala

After over a year of dating, the couple decided to publicly confirm their relationship by showing up to the 2018 Met Gala in New York City together. McPhee looked stunning in a sheer blue dress by Georges Chakra Couture, while Foster looked dapper in a regular black suit. McPhee referred to the outing as a "fun date night" for the couple.

7 David Proposed In Italy

While on a romantic getaway to Italy, Foster got down on one knee and proposed to the singer. In July 2018, McPhee announced she and Foster were engaged after dating for just over a year.

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She also revealed that she was able to show her father the ring right before he passed away. The ring holds a lot of sentiment to her as it was the last thing she was able to share with her father.

6 They Have A Lot In Common

Despite the 30 plus year age gap between them, McPhee and Foster have a lot more in common than people would think. Both are singer/songwriters, enjoy letting loose and having fun. Plus, the pair have such a history seeing as they met for the first time when she was 21 and even helped produce her first single. McPhee nor Foster cared about what people thought as they were happy together.

5 David Was a Guest At Katherine’s First Wedding

Foster was a special guest at McPhee's first wedding in February 2008 to her ex-husband, Nick Coka. She was 23 at the time, and Coka was 43. In photos from the wedding album, Foster can be seen playing the piano as McPhee sang her rendition of Natalie Cole's "Unforgettable." In 2014, McPhee and Coka filed for divorce.

4 David’s Daughter Confirmed Their Relationship

After rumors of a relationship began to circulate in May 2017, his daughter Erin Foster seemingly confirmed their relationship after she shared a photo to her Instagram Story of McPhee with the caption, "new stepmom."

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Erin later revealed in an interview that she and the rest of her siblings love McPhee and are happy as long as their father is.

3 They Married In London

After more than two years of dating and less than a year after their engagement, the couple tied the knot in London at the Church of Saint Yeghiche in South Kensington. McPhee wore a wedding gown by Zac Posen, and Foster wore a tuxedo by Stefano Ricci. The wedding included 150 wedding guests made up of close family and friends. Ahead of their big wedding day, the pair were spotted getting their marriage license at the Los Angeles’ Marriage Bureau.

2 They Welcomed Their First Child Together

In October 2020, the couple announced that they will be expecting their first child, a baby girl, together after more than a year of marriage. They welcomed their little girl on February 24, 2021. Their daughter McPhee's first child, while Foster welcomed five daughters from previous relationships. The couple has yet to announce the name they have chosen for their daughter.

1 David’s Family Loves Katherine

McPhee is not only close to Foster's family, but he is also close to hers. Two years ago, McPhee's mother and sister, Adrianna, joined the newly-engaged couple at the time for a fun getaway to Hawaii. The family stayed at the Four Seasons Resort in Lanai, where they went snorkeling and spent time lounging by the beach.

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