08/27/2013 08:23 am ET

'Breaking Bad' Star RJ Mitte Had A Vegas Rager For His 21st BDay ... Mom Was There Too


“Breaking Bad” star RJ Mitte rang in his 21st birthday by RAGING in Vegas -- with tons of hot chicks, tons of hard booze ... and his mother???

Mitte -- who plays Walter White Jr. on the AMC show -- hit up Ghostbar at the Palms Casino Resort this weekend ... where he partied hard with his BB co-star Daniel Moncada, “True Blood” actress Lindsey Haun and Amanda Fuller from “Last Man Standing.

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