Liam, 22, seemed to confirm the blossoming romance when he shared an Instagram photo of himself and Cheryl, 32, cuddled together. "Cheryl and Liam are in a relationship," a source told .
"It was unexpected but they've both made each other incredibly happy.
In June, Alec Baldwin and Hilaria Thomas will celebrate their four-year wedding anniversary.
The couple tied the knot in front of 175 loved ones in New York City, before moving to the Kimmel Center at New York University, where Alec studied, to celebrate.
Mary-Kate Olsen, 29, surprised fans when she tied the knot in secret to Nicolas Sarkozy's half-brother Olivier, 46, in November 2015.
The low-key couple have been in a relationship since 2012, although they have kept their romance largely out of the spotlight.
Bride-to-be Rosie Huntington-Whiteley rang in 2016 with a new ring on her finger.
The lovebirds, who are now 25 and 48, had already welcomed their two children Wylda and Romy.I think it's the best way to have a relationship, to start as friends." Blake, 28, and Ryan, 39, married in September 2012, and in December 2014 they welcomed their daughter James.Maroon 5 frontman Adam Levine, 36, and his model wife Behati Prinsloo, 26, are celebrating their second wedding anniversary this summer.The pair were initially introduced through mutual friends in London, but didn't go out until months later when they were both single. "I looked at him and thought, 'You're the father of my kids.' I had an absolute certainty that I've never had about anything before." "It was the most magical time ever," she added of the wedding.
when Aaron Taylor-Johnson was 19 and Sam Taylor-Wood was 42, the pair immediately hit it off.
The couple released a statement saying that their "happiness knows no bounds" alongside a photo of their baby boy, who is styled as His Royal Highness The Gyalsey.