"It's my body. It's my choice," chanted protesters.
[Ads /]
Rise 4 Abortion Rights, a group known for organizing nationwide protests and nonviolent resistance, shared the video above on Instagram of a few protesters inside the church.
The protest comes as the Supreme Court may overturn the landmark 1973 Roe. V. Wade decision, according to a leaked draft opinion initially reported by Politico. The final decision is expected either later this month or July.
SEE ALSO: 5 myths about abortion debunked as Supreme Court decides future of Roe v. Wade
Security escorted the protesters outside to the applause of some church members.
Those protesters then joined other activists for a demonstration outside the church, saying they targeted Lakewood because they believe most churches are anti-abortion.
[Ads /]
SEE ALSO: Lyft draws GOP lawmakers' attention after company pledged to help pregnant Texans get abortions
"These institutions, including this church, are way too silent right now about the ways in which the world has fallen apart, including the fact that half the United States is about to be ripped of a basic right," said protester Victoria Mycue.
ABC13 reached to to Lakewood Church for comment but we have not heard back. Pastor Joel Osteen has in the past expressed his opposition to abortion.
SEE RELATED STORY: Oklahoma governor signs into law the nation's strictest abortion ban