Sam Taylor-Wood, 44, and Aaron Johnson, 21, Welcome Daughter Romy Hero

Celebrity Body January 25, 2012 AT 1:48PM By Justin Ravitz

Credit: Dave M. Benett/Getty Images

And then a hero came along!

Kick-Ass' Aaron Johnson and fiancee Sam Taylor-Wood are the proud parents of a brand-new baby girl, Romy Hero Johnson.

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The artist, 44, gave birth to her daughter "at home in London on January 18," a rep for Johnson, 21, told JustJared.com. "Both mother and daughter are well."

The engaged couple -- they met on the set of the 2009 film Nowhere Boy, which she directed -- are already parents to daughter Wylda Rae, 18 months.

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Taylor-Wood and ex-husband Jay Jopling share daughters Jessie, 5, and Angelica, 14.

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