United Kingdom, March 6 -- Carrie Underwood believes her son Isaiah has the "biggest" shot of becoming a singer.

The 41-year-old country superstar - who rose to fame after winning the fourth season of 'American Idol' in 2005 - believes both the 10 year old and her other child Jacob, five, are showing signs of musical talent but her younger boy is more likely to follow in the footsteps of his dad, retired NHL player Mike Fisher, than hers.

Speaking on 'Live with Kelly and Mark', Carrie told hosts Kelly Ripa and Mark Consuelos: "They both can carry a tune.

"I feel like our oldest, Isaiah, probably has the biggest chance of heading in that direction.

"Jake likes hockey, so we may have a little of both because my husband's a retired NHL p...