Los Angeles, Aug 25 - Actress Renee Zellweger has got engaged to her co-star Bradley Cooper and was seen sporting a simple but elegant diamond ring.

According to aceshowbiz.com, Cooper, 34, has taken Zellweger, 40, to meet his parents in Jenkintown, Pennsylvania to inform them about their engagement.

Zellweger and Cooper are working together in upcoming horror-thriller 'Case 39' and recently they were photographed getting cosy during a stay in Barcelona, Spain.