Gwen Stefani Replacing Christina Aguilera On The Voice USA?
New mum reportedly in talks to step in for pregnant coach on US show...
If true, it would see the No Doubt star joining Pharrell Williams as a coach on the popular talent show later this year.
Aguilera is herself pregnant and expected to take a season off at least.
Pharrell's appointment as a replacement for Cee Lo Green was announced at the start of this month.