0421_amy_singleAmy Smart showed up to an event today with one nice new accessory -- an engagement ring!

The "Crank" star announced she was engaged to HGTV star Carter Oosterhouse while on the red carpet for the The Body Shop Three-Minute Shower Challenge event, telling OK! he popped the question on Sunday.

She added, "I’m so happy. It was so beautiful, romantic and I was completely surprised. I’m just really happy and enjoying this time.”

While she wasn't showing off the ring to photogs on the red carpet, she offered people inside the event a look at the sparkler -- and it's a big one! Check it out below:

Congrats to the happy couple!

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