"Joseph Baena celebrates 26th birthday with beachside Speedo video"
Joseph Baena, son of Arnold Schwarzenegger, celebrated his 26th birthday by sharing a hunky video on Instagram. The fitness enthusiast hit the beach in a Speedo, showing off his ripped abs and chiseled arms. Baena also participated in a fitness circuit and completed his first triathlon, following in his father's footsteps in bodybuilding and acting.