Because Hollywood is so small and everyone is connected, tons of celebs ends up dating the same people, and cutie Taylor Lautner and Selena Gomez met when they were both filming movies in Vancouver in 2009 and were feeling a little homesick.
The couple was photographed cuddling in the streets and going on dates before they called it quits.
In the words of Gretchen Weiners, "Ex-boyfriends are just like, off limits to friends" — and that's usually true, in the real world.
But in Hollywood, all of the dating rules are different.
Taylor and Joe get along Avan Jogia and Josh Hutcherson were super tight for years.
Dating all the way back to 2008, you could frequently catch them making appearances in each other's vines, and they even shot You Tube videos together.
The friends, who have been spotted hanging out everywhere from Coachella to the red carpet over the years, also share an ex.
Later that year, Taylor Lautner and Taylor Swift met on the set of .
On-screen, they played a high school couple who were totally obsessed with each other, and irl, things were basically the same.
Taylor fueled the split into two epic breakup songs, "Last Kiss" and "Better Than Revenge," while Joe denied ever being so inconsiderate.
Things seemed frosty between the two for years, but they were both able to put the past behind them when Joe started dating Gigi Hadid, an official member of Taylor's girl squad, this year.
Clearly revelling in their new family life, the smitten couple stole a sweet kiss over the top of the pram as they enjoyed a day of leisure, There she is: Twilight actress Nikki, 29, showed off her incredible post-baby body in a simple white t-shirt paired with high-waisted jeans that clung to her toned legs as she pushed her baby girl along in a pram Twilight actress Nikki, 29, showed off her incredible post-baby body in a simple white t-shirt paired with high-waisted jeans that clung to her toned legs as she pushed her baby girl along in a pram.