Matt Willis' fans have been left in tears as they praised the "brave" Busted star for opening up about his addictions to alcohol and drugs in a new BBC documentary.The 40 year old, who is now five years clean and sober, has allowed cameras inside his life with his presenter wife, Emma Willis, 47, as they discussed his almost-lifelong battle with drugs and alcohol, and how it has affected them as individuals and as a couple.The documentary, named Matt Willis: Fighting Addiction, saw both Matt and Emma break down as they reflected on the past. Viewers of the show have been left emotional, as many took to Twitter to praise the couple, as they spoke of "tears" and "sobbing". One tweeted: "In absolute bits watching the documentary with @mattjwillis @EmmaWillis.