The stars get invited to the hottest parties — and we know all the fun events they've been to! See where some of your favorite celebs have been spotted out and about recently: 

Carmen Electra
The actress hosted the first ever Electric Run — a night time neon 5K run set to electronic dance music — in LA.

Kristen Stewart
The Twilight star made an appearance sans beau Robert Pattinson at the Wii U and Variety Studio in Beverly Hills.

Tom Hanks, Will Ferrell and Derek Jeter
What a trio! The two actors and New York Yankees shortstop, respectively, lent their voices to Autism Speaks' Sound Off campaign as DJ Cassidy manned the turntables at a fundraiser hosted by Generation NXT in NYC.

Lily Aldridge
This Victoria's Secret Supermodel kicked off the third annual holiday toy drive to benefit Baby Buggy — the non-profit organization dedicated to providing families in need with essentials for their infants and children — with Jessica Seinfeld and Stacey Bendet at the Alice + Olivia store in NYC.

Taylor Swift and Justin Bieber
The pop sensations were only some of the few amazing entertainers at Z100's star-studded Jingle Ball concert in NYC on Dec. 7. And what was backstage? UNREAL, the new "junk-free" candy line that offers a guilt-free indulgence sans the unhealthy ingredients that chocolate is usually made with. Some celebrity endorsers include Tom Brady, Matt Damon, Gisele Bündchen and John Legend…they love it so much, they've even starred in a video to support it. Check it out and learn more about the brand here.