Lady Gaga wrapped a tour with Tony Bennett this weekend in Washington, where she surprised him with a monstrous birthday cake and an audience sing-along to celebrate the final show.

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But that was Saturday. Today, it’s time for new music.

In an Instagram post today, Gaga shared a selfie with the simple caption “LG5 Time.”

Related: An Inteview with Gaga’s Lighting Designer LeRoy Bennett

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Not counting her Cheek To Cheek collaboration with Bennett, which featured a selection of jazz standards,  Lady Gaga has released four studio albums.

So little monsters everywhere are hoping “LG5” is code for a fifth studio album from Mother Monster.

Related: Watch U2 Perform ‘Ordinary Love’ with Lady Gaga

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