Justin Timberlake is no good at love advice.

The singer-turned-actor has romanced beauties including Britney Spears, Cameron Diaz and - until March this year - Jessica Biel, but insists he isn't the right person to advise other people on their relationships.

Speaking at the premiere of his latest film, 'Friends With Benefits' in New York last night (18.07.11), he told People.com: "I should not give anybody love advice. Yeah, listen to a single male – yeah, that will work out!"

The 'Cry Me a River' hitmaker has also previously said he thinks casual sex is a "bad idea," and feels too much is made out of choosing to be single.

He said: "If you're going to be intimate with someone, at some point, somebody's going to feel something.

"It's a really good idea until it becomes a bad idea. It probably becomes a bad idea really fast.

"I think there's too much being made these days about being 'single' or 'not single'.

"I'm just enjoying exploring my life right now and wherever that path ends up will be OK because that's where I'll have wanted it to end up."

Since he split from Jessica, the 30-year-old star has been linked to 'TRON: Legacy' actress Olivia Wilde and his 'Friends With Benefits' co-star Mila Kunis, but insists he is just friends with both.