Can somebody translate this article? : http://news.donga.com/3/all/20130314/53713637/1

according to some fans;
the article says, Anna Kendrick will be working with f(x) for a short-film, during their stay in US. The girls will return in Korea on March 19 .
also Kevin Maher who choreograph a song of Justin Bieber & Britney Spears, will choreograph f(x) new album.


-I'm sure bout the choreography thingy, cause Kevin Maher confirm it on his twitter account. and also Amber just tweet him. ^^
-bout Anna Kendrick, I'm not sure. Cause I don't understand Korean. But some fans tweet bout it, thats why I know some content of the article.
-just to make sure, I'm asking to person who can translate, "can you translate the article, pretty please?" ^^
-thanks in advance...kekeke

-credit to the owners.