Today (May 1) the celebrities celebrated May Day, talked Hollywood and gave health and hair advice.

William Shatner was ready to party -- but he might have been the only one.

Probably because other celebs had bigger fish to fry. Ron Howard, for example, producer of 'Arrested Development,' was talking about the show's Netflix premiere over the weekend.

Meanwhile, 'The Walking Dead''s Norman Reedus was hanging out with co-star Andrew Lincoln on a plane when they ran into Journey frontman Steve Perry and welcomed him with, well, open arms.

And then there was Kesha. As usual, we don't know exactly what she's talking about.

Lastly, Nicole Richie isn't a doctor, but she plays one on Twitter.

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