Fans have stayed in love with Olivia Newton-John through her endless incarnations: country sweetheart, movie star, pop vixen, breast-cancer survivor, BFF with RuPaul. Newton-John's voice remains as clear as a bell on hits "Magic," "Physical" and "I Honestly Love You." 8 p.m. Sunday at Stafford Centre, 10505 Cash, Stafford; $60-$175; 281-208-6900, staffordcentre.com.
Boy-band vets Nick Carter (of the Backstreet Boys) and Jordan Knight (of New Kids on the Block) teamed this year for "Nick & Knight," a collaborative album and tour that combines their pop powers. Expect lots of shrieking from grown women at the local stop; both acts are still strong draws. 7 p.m. F...
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