Eating like crazy! Normal?

Sonya • Mommy of 3 queens 💗💗💗👑👑👑
My 2 mouth old is eating like she's starving! She's taking 6oz about every 2 sometimes 1 hour (formula only) she's was 9lbs 7oz when she was born so she was on the bigger side is this normal? She sleeps through the night could this have anything to do with it? anyone else going through this?