Popular for his song "Dig Dug," rapper Wale recently expressed his desire to do collaboration with BTS' leader and main rapper Rap Monster. The 32-year old American rapper is following Rap Monster's account in Twitter.

Recently, Rap Monster did a cover of Wale's song, when one fan tagged the rapper in a tweet. Wale then replied "Collab???!" in the Twitter post, as reported by Allkpop.

Kim Nam Joon better known by his stage name Rap Monster is a South Korean singer, rapper, songwriter, and record producer. He is also the lead and main rapper of the seven-member boy band BTS.

It is worth noting that Rap Monster has collaborated with many other respected Korean and American artists in the past. Just last year, Rap Monster released a single with West Coast rapper Warren G entitled "P.D.D (Please Don't Die),"  along with its music video which featured behind-the-scene footages of their collaboration in Los Angeles.

In 2013, the 22-year old rapper debuted as a member of BTS on Mnets's "M! Countdown" with their track "No More Dream." The track is from their debut single album "2 Cool 4 Skool." Rap Monster also produced and written lyrics for a variety of tracks on all BTS' albums.

Meanwhile, BTS recently unveil the dates and areas of their upcoming world tour. As reported by Fuse, "The Wings Tour: 2017 BTS Live Trilogy Episode III" will hold shows in Asia and North and South America, with a tour poster claiming "more will be coming soon."

The tour is scheduled as follows:

February 18-19 - Gocheok Skydome | Seoul, South Korea

March 12 - Movistar Arena | Santiago, Chile

March 19-20 - Citibank Hall | Sao Paolo, Brazil

March 24 - Prudential Center | Newark, NJ

April 1 - Honda Center | Anaheim, CA

To hold a concert in Prudential Center is quite magnificent as only the biggest K-pop acts such as BIGBANG, EXO, 2PM, JYJ, and g.o.d, so far - have held shows at the Newark, NJ arena. However, information about ticket prices is not yet revealed.

Catch Rap Monster and his group BTS in "Blood Sweat & Tears" below: