She shared a video from her wedding day alongside a montage of their time together.
Union captioned the post: “Ain’t No Stoppin Us Now. 7 years and a lifetime to go. My best friend, the coolest homie, mentor and inspiration, my love, my husband. I (heart emoji) you @dwyanewade Happy Anniversary baby.”
She added the caption #WeAllWeGot.
Union and Wade are parents to two-year-old daughter Kaavia, and she is step-mother to Wade’s three children.
Wade enjoyed a glittering career in the NBA and won three championships with the Miami Heat.
Union’s other film roles include Think Like A Man, The Birth Of A Nation and Breaking In.
Gabrielle Union celebrates seventh wedding anniversary with Dwyane Wade