YG Will Perform at Grammys After Arrest and Release, Lawyer Says

The show must go on for YG ... according to his lawyer, anyway, who says the guy WILL perform at the Grammys after all, this following his arrest and release.

YG's attorney, Joe Tacopina, tells TMZ ... YG is moving forward with his Grammy Awards performance Sunday night, which had already been in the books before he got hauled in by cops last week on suspicion of robbery and bonding out the same day on $250k bail.

The rapper's performance is supposed to be in honor of the late Nipsey Hussle -- which Tacopina and others, including The Game, thought might've been behind the arrest.

We still don't know what the robbery allegation stems from, but YG's Escalade was involved in a high-speed chase back in July that left a 65-year-old man dead. The MC denied he was anywhere near that scene at the time ... it's unclear if the two cases are related.

Looks like YG's following in the footsteps of his fellow artist Young Thug -- who was also put in cuffs last year right before his Grammys performance, but was then released.