Megan Fox puts on a straight face as she films Expendables 4 in London alongside Sylvester Stallone

MEGAN Fox gets the drinks in as she films Expendables 4 alongside stars including Sylvester Stallone and Jason Statham.

The US beauty, 35, clutched a couple of water bottles on location in central London.

Gorgeous Megan Fox was spotted in central London as she filmed Expendables 4Credit: CLICK…