Cher has revealed the age she’d go back to if she could “turn back time,” and it’s probably not what you were expecting. In a new interview with the “Today” show, the pop star got candid about the realities of aging while discussing the 25th anniversary of her 1998 hit song, “Believe.”As other celebrities embrace their advancing years, Cher, who is known for pushing the age-normative boundaries on fashion and even her romantic relationships, had a hilarious response to reaching another milestone.“How amazing is it that ‘Believe’ is 25 years old?” “Today’s” Harry Smith asked the Grammy winner, to which she jokingly fired back, “It’s not that amazing, OK?” Cher, 77, added: “Pisses me — It pisses the fuck out of me .… It just is, like, what is this?!”“So you and age, you’re not friends?” Smi...