Jorja Smith still hasn't even put a full album out, but the British singer has been picking up all kinds of momentum lately with a string of excellent singles, covers, and high-profile collaborations. Last night, she kept that going under a wash of blue lights on Jimmy Kimmel Live for a performance of "Blue Lights" during her American TV debut.

Meanwhile, another exciting young British singer was making his TV debut on The Tonight Show: Rex Orange County. Performing his 2017 single "Loving Is Easy," Rex was joined by a string section as he sat down behind the piano. Also, props for rocking a hoodie on The Tonight Show. Watch his performance below.

Continue for more on Rex and four other exciting young teenage artists in the video below.