Rhea was born and raised in Montreal, Quebec, Canada, the daughter of Marjorie, an antiques dealer, and David Rhea, an obstetrician and gynecologist. She has two sisters, Cynthia and Celia. She attended The Study, an all-girls private school in Westmount, Quebec. Rhea is fluent in English and French.

Her film debut was as a bikini-clad extra in the film Meatballs III, shot on location near Read more...

Rhea has said that her true training came from her first gigs at the comedy club Catch A Rising Star. Performing around New York City, she quickly gained a reputation, and a name in the city's competitive comedy scene. These performances were augmented with appearances on MTV's Half-Hour Comedy Hour, Comic Strip Live and Caroline's Comedy Hour. She decided to move to Los Angeles for a career in Read more...

Rhea and her longtime boyfriend, Costaki Economopoulos, are expecting their first child. On July 22, 2008 Rhea appeared on the talk show "Live with Regis and Kelly" and revealed that she is expecting a girl. Economopoulos is a stand-up comedian..