On Friday evening, Burgess and Brian Austin Green announced their engagement. Following their news, the professional dancer, 38, showcased her dazzling diamond engagement ring via an Instagram video.

Celebrity engagement rings continue to fascinate fans by the sheer size and cost of these tokens of love. But who's worn the most expensive?

Though technically a gift rather than an engagement ring, who can forget Elizabeth Taylor’s 33-carat diamond from Richard Burton? Or Jennifer Lopez’s 8.5-carat green diamond from Ben Affleck?

"I've realized there are many moments in my life where amazing things happened when I was wearing green," Jennifer Lopez ... and the gorgeous ring he picked out for her appears to have extra ...

He did that when he proposed.” The “Bad Romance” singer wears a band with a green blade of grass right above her colossal diamond ring. She also wrote a song inspired by her proposal ...

Diamond wasn't given alone but along with paper mache -- box in which the green diamond is placed and traditionally called the 'Kar-e-Kalamdani' of Kashmir Kashmir's exquisite Papier mache ...