media_removed_toofab 2013
Is that the ring?

Mary-Kate Olsen has yet to confirm the rumors that she's engaged to beau Olivier Sarkozy, but she stepped out with a large diamond ring on her left hand Wednesday, as she headed to Louis Vuitton's show at Paris Fashion Week.

The 27-year old looked chic and sophisticated on the streets of Paris, rocking a black textured coat, black pants, a crisp white button down -- and, of course, her giant sparkler!

Whether it's an engagement ring or just a dazzling piece of costume jewelry, the tiny twin certainly knows how to wear her bling and has been seen wearing it on more than one occasion.

The former "Full House" star and the French banker first went public in 2012.

This would be the first marriage for the blonde beauty and the second trip down the aisle for Sarkozy. Olivier was previously married to Charlotte Bernard, with whom he has a 12-year-old son and 10-year-old daughter.

Do you think the lovebirds are engaged? Tell toofab in the comment section below, and click "Launch Gallery' above to see more celebrity wedding and engagement bling.

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