Thanks to @fortunata on Twitter for sharing her photo,Gwen is on the cover of the May issue of Indonesia Elle;it’s the same photoshoot and likely the same article as the April UK Elle.

EDIT-Gwen is also on the cover of the June 2011 issue of Elle Vietnam;the cover photo is the same as one of the newsstand covers of the May US Elle.
EDIT 2-Gwen’s international ELLE covers keep on coming-she will be on the cover of the June issue of Elle Serbia: