Rihanna bares her toned tummy while performing at the V Festival on Saturday in Weston Park, Staffordshire, England. The 23-year-old singer sang her hits “S&M,” “Cheers (Drink to That),” “California King Bed” and “Man Down,” along with others. PHOTOS: Check out the latest pics of Rihanna.

Ri headlined day one of the V Festival alongside Eminen! “#VFESTDay1 I LOVE YOU!!! 80′000 screaming rockstars!!! I can’t wait to see Eminem!!!!” she tweeted. The day before, Rihanna promoted her latest fragrance, Reb’l Fleur, at London’s House of Fraser!