Superstar singer Adele and US chat show host Oprah Winfrey showed off matching outfits for a TV special interview.The programme is due to air later this month and clips from it show Adele, 33, wowing in a stunning fitted white suit as she sits in Oprah's utopia of a garden in Montecito, Los Angeles. Opting for similar looks, Oprah wears a cream blazer and slightly darker blouse and trousers underneath.