Evan Ross Opens Up About Spending Time with Ashlee Simpson's Ex Ryan Cabrera and Audrina Patridge

Ashlee Simpson-Ross and Ryan Cabrera are proving that exes can be friends.
The singers, who famously dated in 2004, spent time together over the Memorial Day weekend with their significant others: Simpson-Ross’ husband Evan Ross and Cabrera’s girlfriend Audrina Patridge, who Cabrera first dated more than eight years ago.
“Ryan is one of my best friends — even before we were together — and he still is one of my best friends of all time,” Ross, 29, told PEOPLE T