United Kingdom, Aug. 17 -- Gillian Anderson enjoyed a secret same-sex relationship when she was a teenager.

The X Files star has opened up about her love life and revealed one of her first ever relationships was with another female when she was at high school in the USA after moving from the UK where she had spent most of her childhood - and Gillian has admitted she felt she had to hide the romance because it felt "illicit".

She told The Sunday Times newspaper: "One of my first relationships was with an older girl in high school ... But it felt secretive and illicit and wrong, and we had to hide.

"Later on, I had a boyfriend who found out and broke up with me."

When asked if she thought she was gay, the actress replied: "I didn't, bec...