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There's a lesson to be learned from Kristen Bell's recent misadventure with Uber: Be careful which option you select, because Uber Pool — the furthest one to the left — means you're sharing your ride. The "Veronica Mars" star thought she was getting a normal, iPhone-enabled ride home when things took a turn for the more communal:

 

But her discomfort is our entertainment, as she went on to live-tweet the incredibly awkward ride, fears for her safety and all:

 

Huh. Maybe the lesson is keep using the Uber Pool option because unwitting celebrities might end up sharing some awkward silence with you.

Follow Ned Ehrbar on Twitter:@nedrick