Celebrity Gogglebox stars were brought to tears during an emotional Stand Up To Cancer episode after watching a heartbreaking video of a "brave" young girl with cancer.The celebrity line-up, which included Boiling Point actor Stephen Graham and Strictly's Bobby Brazier, learned the upsetting story of 11-year-old Elizabeth in the Friday, 3 November, episode.The youngster was diagnosed with cancer throughout her body, including in her bones, lungs and her brain, but sadly died while they were filming the fundraising Channel 4 show. Adding even more emotion to the moving story, the celebrities and viewers learned that Elizabeth's own mum died of cancer while she was undergoing treatment.