Beyoncé is now the fifth billionaire musician, Forbes reports

Grammy-winning artist joins husband Jay-Z and artists like Taylor Swift following the success of Cowboy Carter tour

Beyonce is now a billionaire, according to a report from Forbes - becoming the fifth musician to obtain the status.

The Grammy award-winning artist, 44, has joined the world's wealthiest people following the success of her Cowboy Carter tour, which grossed more than $400m in ticket sales, and an additional $50m in merchandise sales. Her previous Renaissance world tour brought in about more than $579m.