Pillar is an American Christian rock band from Tulsa, consisting of members Rob Beckley, Noah Henson, Michael "Kalel" Wittig, and Lester Estelle II. The band has released nine studio albums, three EPs, and 24 singles since its formation in 1998.

Lester Estelle, Jr. or Lester Estelle II is the drummer and backing vocalist for the Christian rock band Pillar based in Tulsa, Oklahoma. He currently plays drums for singer-songwriter Kelly Clarkson and Jacob Whitesides.