gaga100611_05_X17sharp460.jpg

Lady Gaga leaves us green with envy ... not so much with her fashion sense, but with the fact that she's bold enough to wear a head-to-toe green ensemble.

The eccentric singer left ITV studios in London after appearing on Jonathan Ross' talk show.

Green pantsuit, green Louboutins and green headdress! Kermit the Frog would be proud.

Gagalicious!