CELEBRITY 06/05/2012 04:05 pm ET Matt Lanter Engaged: '90210' Star Engaged To Angela Stacy E! Online Sorry, ladies: Matt Lanter is off the market. Download Read more on E! Online MORE: Matt Lanter Matt Lanter Engaged Matt Lanter Engaged Angela Stacy 90210 Matt Lanter Angela Stacy Subscribe to the Entertainment email. Home to your favorite fan theories and the best movie recs.