'Ahn siblings' Lee Jong Suk and Ahn Soo Jung revealed a picture in time for Christmas.

Lee Jong Suk posted a picture on his me2day on the afternoon of 21st titled "It's the end of the year! Hahaha early merry christmas! Kystal because it's Christmas? I'm sorry... it's because I'm tired..."

In the picture Lee Jong Suk is posing friendly with f(x) Krystal who he is acting with as 'Ahn Siblings' in 'High kick! Revenge of the short legs'

The two made the viewers smile by putting their heads close together with smiles on their face, looking like real siblings.

Netizens who saw the picture commented "both of you showing off honey-skin", "no ppoing ppoing today?", "this year's best sibling couple!" and others...