The singer took toInstagramon Monday, posting a picture of a rainbow heart.

This has to stop.

We need to accept and love people for who they are.

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Credit: Todd Williamson/Getty Images

Spears isnt the only one speaking out in support of the LGBT community after the shooting.

The cast ofIts Always Sunny in Philadelphiatook part in Sundays L.A.

Pride paradeto show support.

In London, the venue whereHarry Potter and the Cursed Childis playing put up a rainbow flag.

And Sunday evenings Tony Awards featured several tributes to the Orlando victims, including a sonnet written byHamiltonsLin-Manuel Miranda.