The singer and the Fifth Harmony member perform their new collaboration at L.A.'s Jingle Ball.
Before the show, the singer picks up clever products from Ulta Beauty at the Jingle Ball gifting suite.
The Real Housewives of Atlanta star is pretty in pink at L.A.'s Jingle Ball.
The musician grins as he performs at L.A.'s Jingle Ball.
The actress waves to fans while filming a special project.
The singer performs at 102.7 KIIS FM's Jingle Ball 2015 in L.A.
The singer rocks out onstage at L.A.'s Jingle Ball.
The singer performs at WiLD 94.9's FM's Jingle Ball 2015, presented by Capital One, at Oracle Arena in Oakland, Calif.
The singer looks red hot at 106.1 KISS FM's Jingle Ball 2015, presented by Capital One, at American Airlines Center in Dallas, Texas.
Harry Styles, Niall Horan, Liam Payne and Louis Tomlinson attend 106.1 KISS FM's Jingle Ball 2015, presented by Capital One, at American Airlines Center in Dallas, Texas.
The DNCE singer performs at 106.1 KISS FM's Jingle Ball 2015, presented by Capital One, at American Airlines Center in Dallas, Texas.
NEXT GALLERY: Singers Performing Live