Selena Gomez's Heartfelt Wedding Tribute

Selena Gomez's dad didn't walk her down the aisle at her wedding to Benny Blanco,

and the real reason is incredibly thoughtful. It was actually her maternal grandfather, David,

who proudly gave her away on the big day. A family source tells TMZ that Selena

chose him because they're extremely close, but there's an even sweeter story behind

it. Her grandfather never got the chance to walk his own daughter,

Selena's mom Mandy, down the aisle because she eloped. This was Selena's way of giving him

that special moment he missed out on. And her mom was absolutely thrilled with the decision.

Mandy reportedly called it a "thoughtful gesture" and gushed on Instagram that the wedding was