Nina Dobrev Parties With Vin Diesel, Zoe Saldana, & More at Vin's Sister's Birthday

Nina Dobrev definitely knows how to have a good time at a party! The 28-year-old actress stepped out for her xXx: Return of Xander Cage co-star Vin Diesel‘s sister – Sam Vincent‘s – birthday over 2017 Oscars weekend. PHOTOS: Check out the latest pics of Nina Dobrev “#NomineesForMostTurnt #Winning ❤,” Nina captioned the fun photo