1. Although they were on and off again for three years, Katy Perry and John Mayer had just started things back in 2012. They even released a song together the following year.
In 2022, Katy shared that she's planning her wedding to Orlando Bloom, with whom she shares one child. John has not dated anyone publicly since they split.
2. In 2012, Miley Cyrus and Liam Hemsworth got engaged for the first time.
Now Miley has reportedly been dating drummer Maxx Morando for over a year. Liam's relationship with model Gabriella Brooks has apparently been going strong since 2019.
3. Avril Lavigne and Nickelback frontman Chad Kroeger got engaged in 2012 after a month of knowing each other.
Now Avril is engaged to Mod Sun. Chad appears to have not been in a public relationship since their split.
4. X-Men costars Jennifer Lawrence and Nicholas Hoult were in the midst of their five-year relationship in 2012.
As for 2022, Nicholas appears to have been dating model Bryana Holly — with whom he shares a child — since 2017. Meanwhile, back in March, Jennifer welcomed her first child with husband Cooke Maroney.
5. In 2012, Vampire Diaries lovers Nina Dobrev and Ian Somerhalder were still very much dating IRL.
Now, Ian shares a child with wife and fellow vampire franchise actor Nikki Reed.
Nina and Olympian Shaun White have been going strong for over two years.
6. Back in 2012, Emma Stone and Andrew Garfield were in the midst of their four-year off-screen Spider-Man romance.
Now Emma is married to and shares a child with SNL writer Dave McCary. Andrew has recently been linked with Bridgerton actor Phoebe Dynevor.
7. A decade ago, Jennifer Lopez and her backup dancer Casper Smart had just started their relationship.
This year, Jennifer tied the knot with Ben Affleck after rekindling things in 2021. Casper does not appear to be publicly dating anyone.
8. Things weren't looking terribly good for Robert Pattinson and Kristen Stewart in 2012, as reports of K. Stew cheating with director Rupert Sanders emerged.
In 2022, Robert Pattinson made his red carpet debut with Suki Waterhouse after four years of dating.
Kristen is engaged to screenwriter Dylan Meyer.
9. In 2012, Mariah Carey and Nick Cannon were new parents to twins, Monroe and Moroccan.
Mariah has been with dancer and choreographer Bryan Tanaka since 2016. Meanwhile, Nick did appear to make an unsuccessful public plea for Mariah to get back with him this year. His relationship status isn't super clear, but he has had four kids in 2022.
10. Kourtney Kardashian and Scott Disick welcomed daughter Penelope back in 2012.
This year, Kourtney married Travis Barker in a lavish Italian ceremony.
Scott has been linked with model Rebecca Donaldson this year, and he even took her to the premiere of The Kardashians.
11. Ten years ago, Harry Styles and Taylor Swift first began their brief relationship.
Now Taylor is still very much with British actor Joe Alwyn. Harry and Olivia Wilde apparently called it quits this year.
12. Finally, Tom Cruise and Katie Holmes were together for half of 2012 — but settled their divorce in just 10 days in July.
This year, Katie went red carpet official with composer Bobby Wooten III. Tom appears to not be in a relationship.
