It seemed like just about every UK celebrity was in the crowd for An Audience With Adele, which aired on Sunday 21 November, from Emma Thompson to Dua Lipa. However, there was one famous face that stood out perhaps even more than others, as fans spotted David Tennant had dyed his hair a new vibrant shade.The Doctor Who actor could be seen watching Adele’s performance at the London Palladium with bright red hair instead of his usual natural brown locks.