Funny thing about our siblings — sometimes we forget to tell them how special they really are.
Katie was searching for a way to tell her big sister Kristine just how much she meant to her. Enter Boyz II Men, and the Kia Sorento Serenades sweepstakes.
Katie entered the sweepstakes and with a little from Kia, got a chance to have all-time great R&B group Boyz II Men come to Los Angeles and give Kristine a very special musical surprise.
Check out what happened in the video above — and click here to find out more about Kia and Sorento Serenades with Boyz II Men.