Taylor-Wood, 45, and Johnson, 22, have been dating since 2009 and have two children together. They met when Taylor-Wood cast the actor in her directorial debut "Nowhere Boy."
The couple told E! News they were wed Thursday and will now both use the name Taylor-Johnson.
Taylor-Wood also has two children from her previous marriage to art dealer and gallery owner Jay Jopling.
Celebrity Couples of 2014 [PHOTOS]