Jennifer Lawrence takes the plunge at "Serena" premiere

Jennifer Lawrence is making headlines again for her glamorous look at the premiere of her latest film "SERENA" at the BFI London Film Festival on Monday night.

She was on an ultra low-cut, black tuxedo-style dress.

For the third time she teams up with co-star Bradley Cooper playing Depression-era newlyweds who move to North Carolina to create a timber empire