S-T-U-N-N-I-N-G! Lady Gaga Rocks Military Inspired Hat as She Steps Out in London

      

After touching down in Heathrow Airport in a semi-sheer black dress, Lady Gaga freshened up in a loose-fitting green gown.

The 29-year-old made a stylish and energetic exit from her hotel in London on Sunday just hours after flying in from Serbia.

It appeared jet lag had yet to kick in for the Paparazzi singer, who seemed upbeat as she left her London hotel on Sunday.

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