Dressed down in a long skirt and a skull-and-crossbones tee, Brenda Song flashed her cushion-cut diamond engagement ring while exiting her Mercedes G-Wagon at an LA Starbucks, on Friday.

The Social Network star and her beau, Trace Cyrus, began dating in May and announced their engagement via Twitter last month. "I am very excited to say, last week I asked my girlfriend Brenda Song to marry me and she said YES! We are both very excited to be engaged!" Cyrus, 22, Tweeted after his proposal.

It was rumored that Song, 23, was pregnant with the couple's first child, but the pair have never confirmed the news.