SIENNA MILLER LAUGHS AT DIDDY AFFAIR

Sienna Miller has laughed off rumors she is having an affair with P. Diddy. The stunning actress was rumored to have played a part in the rap star's reported split from lover Kim Porter, the mother of his three children. However, Sienna insists she and the hip-hop star are just good friends and she is in love with someone else.She said: "It's true that I'm in love with someone, but not with P. Diddy,he's just a good friend."Pals of Sienna insist she finds the romance rumors hilarious and was secretly pleased as it took the attention away from her mystery boyfriend. One said: "Sienna just laughed when she read she was having an affair with P. Diddy. But she was happy it threw them off the scent of her real new man - who she's keeping under wraps." Sienna and P. Diddy sparked rumors of a romance earlier this month after they spent the night at a top London nightclub. The pair were together almost all evening at the rapper's post-Concert for Diana party at top nightspot Paper last Sunday P. Diddy had six security guards form a ring around his table to keep other revellers away.However, after noticing how many people were engrossed by their flirtatious antics, the pair moved to a private area of the club where they relaxed behind a curtain.