Actress Rosario Dawson gave her mother a birthday to remember this week (begs11Feb13) by leading a star-studded singalong at a New York Fashion Week party.

The Sin City star took her mum Isabel to The Pharmacy bash to mark her big day, and presented her with special cupcakes for the occasion.

Dawson then led guests, including actress Leelee Sobieski and model Elsa Hosk, in singing Happy Birthday to her mother, according to New York Post gossip column Page Six.

Isabel later belted out a rendition of Kool & the Gang's track Celebration, while mentalist Lior Suchard performed tricks for the crowd, which also included Russell Simmons and rapper Waka Flocka Flame.