Nov. 15 (UPI) -- Fergie shared her son's playful message for Josh Duhamel on the actor's birthday.
The 43-year-old singer captured a video of Axl Jack, her 5-year-old son with Duhamel, singing and dancing to the Beastie Boys hit "(You Gotta) Fight for Your Right (to Party)" on the actor's 46th birthday Wednesday.