MANILA -- Kris Aquino took to social media to share her birthday message for her son James "Bimby" Aquino Yap Jr, is celebrating his 11th birthday on Thursday.

Aquino thanked her son with former husband, Rain or Shine superstar James Yap, for being her "best friend."

4 PM, April 19, 2007... a day that forever changed my life... We came from 6:30 PM Mass. Thank You God for the responsibility & privilege... thank You because i know kuya will always have a “kakampi”... thank You because You gave me reason & inspiration to be the best me... Bimb- You are my every answered prayer. You are my life, my laughter, my light... You are the living proof that i learned by example on how to be a mom from the best & she can only smile from heaven watching over you & kuya... I love you... HAPPY BIRTHDAY MY BEST FRIEND! ♥️♥️♥️

A post shared by Kris C. Aquino (@krisaquino) on Apr 18, 2018 at 6:36am PDT

"Thank You because I know Kuya will always have a 'kakampi'... Thank you because you gave me reason and inspiration to be the best me," Aquino wrote.

"You are my every answered prayer. You are my life, my laughter, my light... You are the living proof that I learned by example on how to be a mom from the best and she can only smile from heaven watching over you and Kuya," Aquino added.