Carrie Underwood Says Son Isaiah is 'Sweet & So Smart'

Carrie Underwood looks ultra sexy while attending Muhammad Ali’s 2016 Celebrity Fight Night XXII held at the JW Marriott Phoenix Desert Ridge Resort & Spa on Saturday (April 9) in Phoenix, Arizona. The 33-year-old country singer was joined by Reba McEntire, David Foster, Larry King, and Rob Gronkowski. Carrie opened up about her 13-month-old son