LOS ANGELES, CA - MAY 03: Jessie J attends VH1's 3rd annual 'Dear Mama: A Love Letter To Moms' screening at The Theatre at Ace Hotel on May 3, 2018 in Los Angeles, California. (Photo by Tibrina Hobson/Getty Images)

Jessie J turns 31 today, March 27, 2019.

The singer has been serving up hits as well as fashion moments for the last few years for her millions of fans. To celebrate her birthday, check out our favorite photos of Jessie J.