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Adele: ‘I’ve never been happier and I’ve never been healthier’

05:06

Her album “25” is easily the best-selling record of the year, and Adele’s Radio City Music Hall concert airs on NBC this weekend. Matt Lauer sits down with the singing phenomenon, who says she had to overcome a “huge block” to write the songs on “25.” She says her hit “Hello” is about “reconnecting” – including with herself.