The boys of WINNER created a funny parody of hit drama 'Heirs' for this week's episode of 'WINNER TV.' �While Kang Seung Yoon took on Kim Tan, Nam Tae Hyun became a pretty Eun Sang, Song Min Ho transformed into the charismatic Young Do, Kim Jin Woo became the catty Rachel, and Lee Seung Hoon played, well, everything else. �

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There is even a cameo by Big Bang's Seungri, who plays the role of Yang Hyun Suk attempting to send Eun Sang away to another agency like JYP and Antenna Music. �

In addition, the members threw a surprise birthday party for Kang Seung Yoon after they filmed the pool scene for the parody. �Although they did not have time to buy presents, they managed to get a beautiful cake that was lit up while they sang happy birthday to the brightly smiling Kang Seung Yoon. �He had turned 20 years old (21 in Korea) on January 21!

Check out the video above! �The parody starts at 7:07 with the character introductions.