At the middle of the jolly exchange of ideas, the main host of the radio program wanted to have a karaoke. At that segment, Pia Wurtzbach sang Britney's hit song titled "Baby one more time". 

Watch the impressive performance of Miss Universe 2015 Pia Wurtzbach at the Sway in The Morning radio show.

Here's the video containing the entire length of her guesting at Sway in the Morning last week. It also aired the actual calls from its followers who attempted to capture the interest of Pia Wurtzbach.