Phillippe, 38, and the Twilight star attempted to leave Vignette Lounge separately but were quickly greeted by a sea of photographers.
This is the first time the rumored new couple have been photographed together.
Phillippe was previously married to Reese Witherspoon for eight years, before divorcing in 2007. They have since shared custody of their two children Ava, 14 and Deacon, 9.
The Cruel Intentions actor has also dated Australian actress Abbie Cornish and model Alexis Knapp, who gave birth to the couple’s daughter Kailani in 2011.
Most recently, Phillippe has been dating college student Paulina Slagter; they were just spotted together earlier this month.
Greene, who first rose to fame in the Twilight movie franchise, playing Alice Cullen, was last linked to Broadway star Reeve Carney. The couple split in 2012. Greene’s previous relationships have also included Kings of Leon rocker Jared Followill and Joe Jonas.
Do you think Ryan Phillippe and Ashley Greene are dating? Do they make a cute couple? Weigh in below.
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