By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

When it comes to tokens of love Justin Theroux definitely doesn't do understated!

Jennifer Aniston showed off her giant engagement ring Thursday and Breaking Celebrity News has photos of the super sparkler.

The 43-year-old attended the CFDA Vogue Fashion Fund Event at the Chateau Marmont wearing all black, which provided the perfect backdrop to showcase the huge ring shining on her left hand.

Jen and Justin got engaged on his birthday and she was proudly showing off the blinding bling he gave her.

She recently teared up on Chelsea Lately when she spoke about Justin to her pal.

Jen was seated with Tobey Maguire, the husband of Jennifer Meyer, a jewelry designer to the stars, and Isla Fisher at the event where A-listers including Vogue editor Anna Wintour viewed fashions by new designers.

Everyone was probably blinded by the light bouncing off Jen’s beautiful big bauble!