It may seem like an odd coupling, but apparently there is something going on between P Diddy and Sienna Miller.

The Mirror reports that the rapper and actress have been trying to keep their �friendship� away from prying eyes.

At Diddy�s Diana Concert aftershow party, he was looking extremely bored sitting on a table on the dancefloor by himself.

"But when he got wind that Sienna was there, he was asking to be moved back into the VIP area. For seemingly the first time all night, he started to enjoy himself,� a source says.

Let�s not mention the fact that Diddy has a long-term girlfriend...