Zoe Saldana has an ''uninhibited'' sex life.

The 'Guardians of the Galaxy' actress - who is believed to be pregnant with twins - insists she and spouse Marco Perego are very relaxed in the bedroom, but she would draw the line at having a threesome or watching pornography with her spouse.

Discussing what constitutes a good sex life, she told the September issue of Cosmopolitan for Latinas magazine: ''To be uninhibited. I'm not talking about bringing in a third person or watching porn all night.

''Pornography is not sex education - it's the opposite!''

The 36-year-old beauty recently admitted she is pleased she and her artist spouse - who married last year - met one another later in life because it meant they were comfortable and secure with themselves, so have more to offer.

She said: ''We give each other a great deal of support and love but it wasn't because we found it in each other, we came that way and then got together.

''That's what I love about it. I do believe whatever's meant to be will be - but had the universe said, 'Let's just wait, he's going to come into your life later', I would've been fine on this journey I was on just knowing who the f**k I was.''