UK Pop singer Jessie J has been a runaway hit in the UK, but hasn’t shot out in the US as she should, but she will soon as she will be following Adele’s footsteps by doing a performance on Saturday Night Live.Jessie J will be the musical guest for Zach Galifianakis, who will be hosting for the second time. Jessie J has become a pop sensation in the UK, with her most recent single, “Price Tag” reaching #1 and staying there for 2 weeks in the UK Singles chart until Adele beat her after her performance of her single, “Someone Like You” at the BRIT Awards last month. Speaking of the BRITs, Jessie J. won the prestigious Critics Choice Award during this year’s ceremony. Adele was the first recipient of the Critics Choice Award 3 years ago. Also, Jessie J and Adele went to the same school together when they were younger. What a coincidence! Zach Galifianakis hosts Saturday Night Live with musical guest Jessie J on Saturday, March 12 on NBC.