The 33-year-old actress was in the UK to shoot the last schedule of her debut international project "Singularity" opposite Josh Hartnett.
"Met Jeremy Piven in London! Ari Gold the reason I love Entourage! Sweet and fun guy! Knew a lot about India which was impressive," Bipasha posted on Twitter.
"Singularity" is an epic romance adventure film directed by "The Killing Fields" maker Roland Joffe. Bipasha plays a Marathi warrior in the film, which also stars Neve Campbell.
