The former Yankees player-turned-NBA owner kicked off the celebration at midnight on Tuesday at the Hôtel de Paris Monte-Carlo.
July 27: Happy 48th Birthday to Alex Rodriguez #alexrodriguez
New celebrity couples of 2017, Gallery
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Alex Rodriguez Celebrates Birthday with Yankees-Themed Bash
Alex Rodriguez celebrates 46th birthday in Monaco and Ibiza
Alex Rodriguez Celebrates Birthday with Yankees-Themed Bash
Alex Rodriguez rings in his 46th birthday in VERY lavish style
Alex Rodriguez rings in his 46th birthday in VERY lavish style