Robin Williams Goes All Sybil On Us

6/9/2008 3:51 PM PDT BY TMZ STAFF
It's impossible to get Robin Williams to answer a serious question -- and he'll use whatever accent necessary to dodge the issue.

Also in L.A.: Mario Lopez played Laker cheerleader, Larry Birkhead got overshadowed by Chris Evans, Dog Chapman went out with his giant litter, Mayer played it solo and Kathy Griffin was disappointed Clay didn't knock her up.

In NY: Rehab must have worked because Kirsten Dunst looked happy, Jay-Z was thankful and Natalie Portman went walking with her Jesus-alike boyfriend.
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