Gigandet and Geisendorff share three children.
The 'Twilight' star and his longtime love, Dominique Geisendorff, welcomed a baby girl on Monday.
Former Twilight star Cam Gigandet could care less in this funny, exclusive clip from the new comedy Bad Johnson.
Click through our Birthday Babes gallery to find out when your favorite celebs celebrate their big day this year!
Exclusive Clip: ' Plush'
'Twilight' Star Cam Gigandet Welcomes Baby
