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Matt Bellamy

British rocker Matthew Bellamy was able to get some parenting practice in with fiance Kate Hudson's 8-year-old son Ryder (whom she had with first husband, musician Chris Robinson), before the birth of his and Hudson's son Bingham "Bing" Hawn Bellamy on July 9. But this was probably the first time the Muse frontman was in a delivery room! "Mum was a warrior, Bing popped out after 4.5 hours of intense pushing!" he tweeted shortly after the baby's birth. Bellamy also explained his son's name on Twitter. "For those wondering, Bingham is my mum's maiden name and Bing Russell was Kurt's dad. Family connections all round!"

First-Time Dads

Celebs from Jay-Z to Mike Myers to Hugh Grant are celebrating their first Father's Day ever this year thanks to their new bundles of joy.