Dolly Parton and Lainey Wilson brought star power to the stage — and the small screen — during Dolly Parton’s Pet Gala, a two-hour television special that tapes in Nashville and aired on Wednesday night (Feb. 21). One of the highlights of a fast-paced lineup, Parton and Wilson sang Parton’s classic “I Will Always Love You,” with Wilson taking lead on the first verse. Parton watched on as the younger star effortlessly handled her big hit, then came in with harmony vocals in the chorus. Both singers wore shimmering white and silver to match the ethereal aesthetic of “I Will Always Love You”: Par…