Shocked by Miranda Lambert, Blak Shelton's split: Underwood

Singer Carrie Underwood says friends Blake Shelton and Miranda Lambert's shocking split made her want to take stock of her own marriage.

The 32-year-old singer, who tied the knot with professional ice hockey player Mike Fisher, 35, five years ago, said her friends' sudden decision to divorce in July prompted her to make sure her husband is happy, reported Female First.

"It makes you want to take stock of your own marriage.