After her performance for guests including Cooper Koch and Nicole Richie, the singer shared her love for the French brand and teased her next album release.
YSL Beauty previewed its new Candy Club pop-up with a splashy party, complete with a surprise Kesha performance.
The singer, 37, looked incredible for her performance as she slipped into a black leotard that highlighted her figure.
Lady Gaga's new song Abracadabra is gaining popularity, with people from all walks of life jiving to its beats.