Rachel Bilson Ringing Around Hollywood

No nouveau engagement tattoos or around-the-neck business for Rachel Bilson, the mystery of the actress’ engagement ring has finally been solved.

Spotted on a grocery run to Hollywood’s Mayfair Market, Bilson finally flashed the rock that actor Hayden Chirstensen gave to her over the Holidays.

“They’re a great couple,” a source told People magazine of the union, “Rachel seems thrilled beyond belief.

Zoom her ring and see if gives you thrills, as well!