Kaylee DeFer

Gossip Girl's KayLee DeFer has called off her engagement to longtime boyfriend and jewelry designer Mike Pereira, Us Weekly reports.

The 25-year-old star says she's "totally OK with it."

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"I think sometimes you just realize it's time to move on," the actress said. "So now I'm spreading my love and being single, and it's fine. Really."

DeFer has played con-artist Ivy Dickens on Gossip Girl since Season 4. The show's 100th episode airs Monday, Jan. 30 at 8/7c on The CW.