Justin Timberlake and Jessica Biel split up after 'very awkward surprise birthday party'

Justin Timberlake and Jessica Biel have have separated after more than four years together.

And MailOnline has learnt exclusively that the couple's separation comes following a very awkward birthday party.

A spokesperson for the couple confirmed the break-up, adding: 'We are confirming that they mutually have decided to part ways.’