'90210' Star Matt Lanter Engaged to Longtime Girlfriend

Matt Lanter Angela Stacy - P 2012

Matt Lanter Angela Stacy - P 2012

The actor proposed to Angela Stacy during vacation in Paris.

90210 star Matt Lanter is officially off the market.

The 29-year-old actor -- who plays playboy Liam on the veteran CW soap -- is engaged to longtime girlfriend Angela Stacy, E! Online reports.

Lanter proposed to Stacy, who he has been dating for three years, during vacation in Paris in May with a 4.2-carat diamond ring.

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On Wednesday morning, Stacy wrote on her Twitter account: "Thanks everyone for all your love, well wishes & sweet, sweet words of support!"

Lanter has been on 90210 since 2009. The actor, who also does voice work, next appears in Liars All and A Chance of Rain features.