He added: "Zayn was like, 'We work hard, play hard'. That's definitely what we're about too."
Asked whether they think the band will find success in the US, Carlos Pena said: "I think that boybands as a whole are really coming back. We started four years ago with Big Time Rush and there were no boybands out at that time. We were very lucky, but these new bands are coming in at an ideal time."
Maslow continued: "They're incredibly talented, and I think they're going to have massive success in the US. It doesn't work for everyone, but I think it will for them.
"Our fans are also One Direction fans, which is a great sign for them. Hopefully we can help each other out in our own countries."
One Direction recently admitted that it will be hard to break America, adding: "A lot of people have tried and failed but we want to break the mould and see what we can do. We'll definitely give it a go."
Big Time Rush's debut record B.T.R peaked at number three in the US and number 14 in the UK last year. Their new album Elevate is out now. The group, who were put together for Nickelodeon show Big Time Rush, praised One Direction's "incredible" talent and claimed that they will find success in the States.