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Big Kid! Rob Kardashian Cannot Stop Smiling While With King Cairo And Blac Chyna Amid Pregnancy Rumors
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Mar. 18 2016, Updated 12:54 p.m. ET
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Rob Kardashian was like a kid in a candy store this week! The slimmed down reality star headed to Legoland park ahead of his birthday alongside his girlfriend Blac Chyna and her son, King Cairo!
![rob kardashian blac chyna relationship](https://media.okmagazine.com/brand-img/3tfb2JjPF/480x320/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 480w, https://media.okmagazine.com/brand-img/3tfb2JjPF/640x427/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 640w, https://media.okmagazine.com/brand-img/3tfb2JjPF/768x512/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 768w, https://media.okmagazine.com/brand-img/3tfb2JjPF/1024x683/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 1024w, https://media.okmagazine.com/brand-img/3tfb2JjPF/1280x854/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 1280w, https://media.okmagazine.com/brand-img/3tfb2JjPF/1440x960/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 1440w, https://media.okmagazine.com/brand-img/3tfb2JjPF/1600x1067/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 1600w, https://media.okmagazine.com/brand-img/3tfb2JjPF/2160x1440/2016/03/rob-kardashian-blac-chyna-relationship-04.jpg 2160w)
And we don’t know who had more fun—King or Rob! The 29-year-old looked better than he has in recent months thanks to the healthy meals Blac Chyna has been cooking for him.
![rob kardashian blac chyna relationship](https://media.okmagazine.com/brand-img/mQrX1cKAN/437x500/2016/03/rob-kardashian-blac-chyna-relationship-05.jpg 437w)
He showed off his slimmer figure in a white shirt and grey shorts.
![rob kardashian blac chyna relationship](https://media.okmagazine.com/brand-img/tghDzF_GQ/333x500/2016/03/rob-kardashian-blac-chyna-relationship-02.jpg 333w)
And while Blac Chyna often shows off her curvy physique, she dressed for comfort in an oversized sweater and colorful leggings.
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The loose outfit certainly does nothing to silence rumors that she may be pregnant with Rob's child! While in Jamaica last week with Rob, her stomach looked larger than usual, prompting the baby speculation.
![rob kardashian blac chyna relationship](https://media.okmagazine.com/brand-img/8hIMBqdYB/494x500/2016/03/rob-kardashian-blac-chyna-relationship-03.jpg 494w)
By the looks of it, Rob would more than okay with giving King another playmate!
![rob kardashian blac chyna relationship](https://media.okmagazine.com/brand-img/K7hYJw2fs/400x500/2016/03/rob-kardashian-blac-chyna-relationship.jpg 400w)
What are your thoughts on Rob spending his birthday with Blac Chyna and her son? Let us know in the comments section.