The title of the song angelababy often sings in Running Man is: Fantastic Baby.

"Fantastic Baby" is a song sung by the Korean boy band BigBang. It was included in BIGBANG's fifth mini-album "ALIVE" and was released on February 29, 2012. The Japanese version of the song was released in March.

"Fantastic Baby" is one of BIGBANG's masterpieces. After its release, it became a must-sing track at every BIGBANG concert. It ranked No. 2 on the Korean Gaon list of annual songs and No. 2 on the 2012 download list. 5 places. Two weeks after the MV was released, the number of views on Youtube exceeded 10 million, and it won two gold medals on Youtube. As of March 2014, the MV has exceeded 100 million views on Youtube, becoming the fourth Korean MV to have exceeded 100 million views. BIGBANG also became the first Korean boy group to achieve this result.