Taylor Swift Supports Boyfriend Calvin Harris at Wango Tango

Taylor Swift throws her hands up with the girls of Haim while watching her boyfriend Calvin Harris‘ set during 102.7 KIIS FM’s 2015 Wango Tango at StubHub Center on Saturday (May 9) in Los Angeles.

The 25-year-old entertainer looked like she was having a blast, and was later seen drinking Diet Coke backstage.

“Thank you so much @BigSean for coming down to perform with me at the last minute tonight! What a guy 🙏 #WangoTango,” Calvin tweeted.

In case you missed them, Taylor has been slowly releasing promo posters for her upcoming “Bad Blood” music video! Check out the ones so far for Ellie Goulding, Zendaya, Gigi Hadid, Lily Aldridge, and Hayley Williams!