Jessie J at the Belgrade Calling Festival, June 27Playful, naughty and forever the truculent teenager. In Jessie's world, performing is all about enthusiasm and having fun. See: Celebrity Pictures with Tongues! Nicki Minaj at the NIA in Birmingham, June 26Controversial without the slightest inhibition, Nicki is a force to be reckoned with. Don't mess with this lady! See: Celebrity Pictures with Tongues! Jennifer Lopez at the Pop Music Festival in Sao Paulo, June 23J-Lo the peacock. Her sexual energy radiates a decade on, and she knows how to big it up. See: Celebrity Pictures with Tongues! Florence Welch at Hackney Weekend, June 24Consumed, intoxicated and elevated by her art, Florence is like a poet from the Romantic era only stronger willed (well they were a tad flakey. weren't they?!). See: Celebrity Pictures with Tongues! Katy B at the Isle of Wight Festival, June 23Katy B jumps for joy showing her passion for engaging her fans and getting everyone to join in. Extroverted and girlie. See: Celebrity Pictures with Tongues! Lana Del ReyThe mysterious one who can suddenly turn coy. You can't quite figure her out, and that's a big part of her appeal. See: Celebrity Pictures with Tongues! RihannaShe paces the stage with the fierce authority of a lion. When she stops, you take in every expression. Sexy and seriously determined. See: Celebrity Pictures with Tongues! Paris Hilton at the Pop Music Festival in Sao Paulo, June 23The arm raising looks passionless and frankly a bit condescending. No change there then! See: Celebrity Pictures with Tongues! Celebrities on Stage: What Jessie J's grimace means... J Lo jiggles, Florence Welch pleads and Nicki Minaj gropes… by Sophie Fontaine Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus