'She's rocking it!' Ed Westwick gushes about how his former Gossip Girl co-star Blake Lively has handled pregnancy

They played step-siblings on drama series Gossip Girl.

And even two years after the programme aired it's final episode, Ed Westwick and Blake Lively still treat each other like family.

The 27-year-old British actor recently gushed about how his former co-star has handled her first pregnancy thus far.

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'She's rocking it!' Blake Lively at an event earlier this month; her former co-star Ed Westwick has spoken of his admiration for her approach to pregnancy

'She's rocking it!' Blake Lively at an event earlier this month; her former co-star Ed Westwick has spoken of his admiration for her approach to pregnancy

Once family: Ed gushed to Us Weekly about Blake, who played his step-sister on Gossip Girl

Once family: Ed gushed to Us Weekly about Blake, who played his step-sister on Gossip Girl

It seems as Ed and 27-year-old Blake, who played Chuck Bass and Serena van der Woodsen respectively on the popular show, still have a tight-knit relationship as Ed said he recently texted the actress.

Ed told Us Weekly of how the blonde beauty was handling being pregnant: 'She's really well. She's doing great.

'I think she's handling it all great. She's rocking it... She's got it under control.'

All about that Bass!: The two 27-year-old stars played step-siblings in the teen drama Gossip Girl

All about that Bass!: The two 27-year-old stars played step-siblings in the teen drama Gossip Girl

Bumping along: The pregnant star was seen out and about in New York on Thursday

Bumping along: The pregnant star was seen out and about in New York on Thursday

In October, Blake and her husband Ryan Reynolds, 38, announced they were expecting on the actress's website.

This was not the first time the actor has gushed over his co-star as in a Q&A with us he answered the question: 'Before it's all over I plan to steal ? from the [Gossip Girl] set,' with Blake's name.

Their teen drama, which also starred Leighton Meester, Penn Badgley, Chace Crawford, Jessica Szohr and Taylor Momsen, was on the air for six seasons.

First-timers: Blake and 38-year-old husband Ryan Reynolds announced that they were expecting in October

First-timers: Blake and 38-year-old husband Ryan Reynolds announced that they were expecting in October

Since Gossip Girl wrapped, Ed has focused more on roles on the big screen.

He said: 'I have a bunch of films coming out.

'Two English, and then I've got one coming out which is a complete horror spoof thing. It's called Kitchen Sink. It comes out in January.'

Blake will next be seen on the big screen in The Age Of Adaline out in the UK on May 1 and the US 24 April, 2015.

Dynamic duo: Blake and Ed starred together for six seasons on the popular programme until it wrapped in 2012, as both have focused on movie careers since then

Dynamic duo: Blake and Ed starred together for six seasons on the popular programme until it wrapped in 2012, as both have focused on movie careers since then

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