MAMAMOO are treating fans with... ADORABLE BABY PICTURES!

Two sets of photos were uploaded onto the girls' official Facebook recently in celebration of the release of "The Hometown." �As the nostalgic track brings viewers back to the place they grew up, the group decided to also take their fans on a journey to their own pasts - but keep them guessing by not revealing the identities of the babies below.

So make your guesses! �Who do you baby #1 and #2 are (answers below)? �Look forward to the other two!

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Revealed: Moon Byul

Fan-popular answer: Solar