She is no stranger to showing off her killer curves in an array of daring leotards, so Jesy Nelson did not disappoint with her eye-popping outfit on Saturday.The Little Mix singer displayed her envious curves in a slashed to the navel black leotard, which gave fans a glimpse of her ample cleavage at Wembley Stadium, London.Jesy put on a particularly busty display, as the 24-year-old beauty joined Jade Thirlwall, Perrie Edwards and Leigh-Anne Pinnock at the Capital FM Summertime Ball.