Chicagoans invade Santa Monica as Billy Zane and Chris O'Donnell attend the 25th Windy City Bash at Stella Rossa Pizza Bar; Emily Blunt and Ewan McGregor grace the red carpet at the premiere of Salmon Fishing In The Yemen; Zooey Deschanel turns on the awkward funniness at the PaleyFest 2012 "New Girl" panel—Monday night was filled with food, more showbiz affairs, and celebrities and we have the details on the events that happened in L.A. for you in this edition of Last Night's Parties.

[Emily Blunt, Ewan McGregor via]

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