Kobe Bryant's daughter, Gigi, would have turned 18 years old on Wednesday ... and the basketball legend's wife, Vanessa, is remembering her late child with an emotional tribute -- saying she continues to inspire countless people every day.
"Happy birthday to my gorgeous girl, Gigi!" Vanessa said on Instagram. "I love you. I miss you. I'm so proud of you."
HAPPY BIRTHDAY GIGI
The post is truly heartbreaking .