Justin Timberlake is set to narrate an NBA documentary which will air on ESPN tomorrow (May 21).

The singer, who is a massive fan of basketball, lent his voice to the TV special, which focuses on NBA heroes Kobe Bryant and LeBron James.

‘Dream Season: 23 - 24' premieres this evening at 7pm EST on ESPN in the US.

Watch a clip of Timberlake as he narrates part of 'Dream Season: 23 & 24' below: