Tamera Mowry-Housley is showing off her vocal talents for Hallmark.The actress will headline Hallmark Channel's , which premieres Mother's Day weekend on Saturday, May 13 at 8 p.m. ET/PT, ET can exclusively reveal. Mowry-Housley will perform three original songs written specifically for the film: «Dream That Dream,» «Bring It Back» and «So Right.»Joining Mowry-Housley in the cast is Chelsea Hobbs, Roger Cross and Andrew J.