Amy Slaton was dressed like a bride on Halloween ... but it wasn't for a costume party or even trick-or-treating ... she got hitched!!! Gallery Launch Gallery TMZ.com

TMZ obtained photos from Amy's Friday wedding ceremony, and the "1000-Lb. Sisters" star is posing for pictures in her wedding dress, next to her new husband, who is looking dapper in his tuxedo. TMZ.com

Amy and her groom were joined by friends and family for their big day ... and it looks like they had some great weather for the nuptials ... taking pics outside on a sunny afternoon.

Check out the gallery ... Amy looks very happy here. Her sister, Tammy , is there too ... but from what can see, she was off chilling on bench. TMZ.com

The wedding comes after a rough couple years for Amy ... as we told you,

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