India, April 19 -- A surprise cameo turned singer Sabrina Carpenter's Coachella set into one of the weekend's most talked-about moments. Mid-performance during her Weekend 2 set on Friday night, the queen of pop Madonna joined her on stage for a high-energy crossover that blended nostalgia with current pop, including Vogue and Like a Prayer, along with a new duet reportedly tied to her upcoming album Confessions II. The evening marked Madonna's return to Coachella after 20 years. Actor Terry Crews also made a brief appearance onstage, singing his iconic White Chicks (2004) rendition of A Thousand Miles.htc...