Jessica Biel, Sean ‘Diddy’ Combs and Ashley Tisdale: Hottest Star Sightings of the Day (PHOTOS)

Lily Harrison / November 19, 2012

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The star power was out in full force this weekend, with celebs at major American Music Award afterparties and movie premieres all across the globe.

Sean ‘Diddy’ Combs was spotted walking out of London hotspot Nobu on Sunday evening. He was previously seen partying alongside Rihanna during the Paris stop of her 777 Tour.

Cassie was also at the party, held at VIP Room, and danced with both Rihanna and Diddy for most of the evening.

Jessica Biel was at the New York premiere for her upcoming flick Hitchcock in a gorgeous grey ensemble.

Co-star Scarlett Johansson was also on hand for the evening festivities and talked about hear fears of “known factors” while recreating the infamous Psycho shower scene.

On the other side of the coast, Ashley Tisdale stunned on the red carpet for the 2012 Rolling Stone AMA After Party presented by Nokia and Rdio held at Rolling Stone Restaurant & Lounge in West Hollywood on Sunday. The actress’ bold red dress showcased her killer physique.

Click through the gallery above for a complete look at the latest celebrity sightings.

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