Madonna Hilariously Forgets the Words to Her Own Song in Selfie Video: 'Still a Happy Girl'

Whoops, Madonna blanks on her lyrics!

The Material Girl celebrated her 59th birthday on Wednesday and took to Instagram to share pics and videos of the wild celebration.

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In one funny clip, Madonna sings along to her track, "B-Day Song," and forgets the words to her own song.

"When you can't remember the words to your own Song. 🍷🍷🍷🍷🍷🇮🇹♥️🤡🎂🎉🎉🎉🌈🌈😂💕🦁💃🏻 Still a Happy Girl!," Madonna captioned her selfie video.

When you can't remember the words to your own Song.....,..,,.,,,,,,🍷🍷🍷🍷🍷🇮🇹♥️🤡🎂🎉🎉🎉🌈🌈😂💕🦁💃🏻 Still a Happy Girl!

A post shared by Madonna (@madonna) on Aug 16, 2017 at 6:28pm PDT

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Along with her silly flub, the "Vogue" singer also gave thanks for turning another year old, writing, "Giving Thanks for another Year filled with many Surprises and many Blessings! 🙏🏻 Pray B**ch ♥️ @mertalas🌏🌍🌎," in another sexy pic.

Giving Thanks for another Year filled with many Surprises and many Blessings! 🙏🏻 Pray Bitch ♥️ @mertalas🌏🌍🌎

A post shared by Madonna (@madonna) on Aug 16, 2017 at 6:33pm PDT

She also gave a shout-out to her "ride or dies" and shared an adorable pic of her twin daughters, Estere and Stelle.

Yassssssssss Mambo! 💚💚💚💚💚💚!

A post shared by Madonna (@madonna) on Aug 16, 2017 at 1:41pm PDT

Happy Girl! .........🎉🌈🇮🇹🎂🎈On her way!! 🚌🚌🚌🚌🚌🚌🚌🚌🚌♥️🇮🇹

A post shared by Madonna (@madonna) on Aug 16, 2017 at 1:36pm PDT

Ride Or Dies!! 🐎💚🐎💚🐎💚🐎🙏🏻

A post shared by Madonna (@madonna) on Aug 16, 2017 at 7:12pm PDT

I stand before this altar. with a small confession! .............🙏🏻 i have a tiny hangover. 🍷🍷🍷🍷. I'll have to Bend the knee! 🙏🏻. @mertalas

A post shared by Madonna (@madonna) on Aug 17, 2017 at 7:47am PDT

See more of Madonna in the video below.