The weekend's GO Campaign gala red carpet gave up ample opportunities to swoon. Robert Pattinson and his Breaking Dawn: Part 2 co-star Rami Malek reunited on the red carpet, where they laughed and grinned as they posed for photos with fellow actor John David Washington. The trio was among a whole host of stars who turned up to support the cause, which helps orphans and vulnerable children in the USA and internationally. Also heating up the red carpet were Armie Hammer and Elizabeth Chambers, who looked as loved-up as ever as they cuddled up for photos. Inside, Dev Patel and Kid Cudi joined the fun, while Armie and Rob caught up with fellow actor Josh Hutcherson. Keep reading to see all the photos.