16+ Masked Singer Baby Alien Costume Pics. Fans are already guessing the celebrities under each costume, including the true identity of a certain extraterrestrial puppet. 14, it was revealed that former nfl quarterback mark sanchez was the voice behind the baby alien on the masked singer season 4.

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14, it was revealed that former nfl quarterback mark sanchez was the voice behind the baby alien on the masked singer season 4. Mark sanchez emerged from the mask. 'the masked singer' season 4 features a friendly u.f.o., so who is baby alien?

In this the masked singer video, for the first time ever on the masked singer, comes a costume like baby alien.

The most notable is the ninja turtle in the middle. From couldn't mask for anything more. The baby alien costume on season 4 of 'the masked singer' was hiding this pro athlete (spoilers). Baby alien on the masked singer has been one of the most challenging celebrities to guess, but we think we know who is under that mask.