India, Oct. 26 -- P op star Sabrina Carpenter kicked off the final leg of her Short n' Sweet Tour in Pittsburgh (USA) with a moment that quickly went viral. During her performance of Juno, Sabrina spotted Gigi Hadid cheering from the crowd (see left for pictures) and decided to bring the supermodel into the act. As sirens blared, the singer playfully "arrested" Gigi on stage, teasing, "Gigi, does that stand for gorgeous girl?" The two burst into laughter as Sabrina handed over her signature pink handcuffs. Gigi later shared the clip on Instagram with the caption, "Guilty as charged," sending fans into a frenzy. HTC...