Singer and X Factor judge Tulisa Contostavlos attended the 50th birthday party at the V&A for celeb agent Jonathan Shalit.She looked stunning in a black floaty dress with sequined top.She had a black bag and wore black heels.She has been keeping a low profile since a tape of her and a former lover was leaked on the internet.She arrived at the party with best-friend and assistant Gareth Varey leaving her new boyfriend Jack O’Connell at home
