Report: Drew Barrymore to Tie the Knot This Weekend

David Livingston/Getty Images(LOS ANGELES) -- It's a big weekend for Drew Barrymore.  E! News reports the 37-year-old actress will marry her fiancé, Will Kopelman, this Saturday in Montecito, Calif. 

Her Fever Pitch co-star, Jimmy Fallon, reportedly will be among the guests.

On Wednesday, Barrymore was photographed at a Chanel store in Beverly Hills with her Charlie's Angels co-star, Cameron Diaz, for a wedding dress fitting.

Barrymore was previously married to Jeremy Thomas and Tom Green.

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