Sam Thompson was joined by his pal Chris Hughes for the second day of his gruelling 260-mile endurance challenge.

And Chris’ new girlfriend JoJo Siwa made sure to send her support to the former Made In Chelsea star as she sent him a motivational message.

Appearing on Hits Radio, the singer, 22, told Sam: ‘No matter what burn yourself out, burn those little legs out, keep it pushing!’

‘You’re gonna be proud if you do it. In five days from now you are either going to be really proud or you’re gonna be like “Damn I probably could have done it if I had tried a little harder.

‘So don’t have that regret.’

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Sam Thompson received a message of support from JoJo Siwa on Tuesday as he gushed his pal Chris Hughes is full of happiness after pair confirmed their romance

Appearing on Hits Radio, the singer, 22, told Sam: ‘No matter what burn yourself out, burn those little legs out, keep it pushing!’

Chris, 32, and JoJo officially confirmed their relationship this weekend after sending fans wild with weeks of loved up speculation.

Congratulating his friend amid his new blossoming romance after hearing the message from JoJo, Sam remarked on Chris’ happiness.

‘He looks incredible happy, and I have told him to just chase the happiness that’s the most important thing in this world.

‘And I am really happy for you mate you look over the moon and it makes me happy. So anything that makes you happy keep cracking on.’

Chris joked: ‘I said to Sam on the way round “keep it pushing”, and that’s her terminology rubbed off on me.’

Sam has been given the task to travel a mammoth 260-mile journey on both bike and foot to deliver the match ball to its new home in Old Trafford, with the hope of raising much-needed funds for Unicef.

To complete the challenge, the I’m A Celeb star is expected to run a marathon for five days and cycle in between, ensuring the ball arrives on June 6, just in time for kickoff on Sunday, June 15.

Sam, who is suffering from a calf injury, was soaked head-to-toe by the heavy rain during Tuesday’s challenge.

She added: ‘You’re gonna be proud if you do it. In five days from now you are either going to be really proud or you’re gonna be like “Damn I probably could have done it if I had tried a little harder. So don’t have that regret’

Congratulating his friend amid his new romance, Sam said: ‘He looks incredible happy, and I have told him to just chase the happiness that’s the most important thing in this world’

Chris, 32, and JoJo officially confirmed their relationship this weekend after sending fans wild with weeks of loved up speculation

Sam, who is suffering from a calf injury , was soaked head-to-toe by the heavy rain during Tuesday’s challenge 

In an attempt to boost morale, Chris joined his pal on the bike as Sam continued on with his challenge

The star decided to cycle the remaining miles after revealing he ‘popped his calf’ and was strapped into a medical table just the day before.

As Sam looked visibly downcast, Chris gushed: ‘He’s emotional, he’s upset and it’s tough because he’s got to go again and it’s relentless.

‘I was saying when we were going around I’ve so much admiration for you Sam because I’m struggling with this… knowing that I’m going to stop in a minute and Sam has to carry on this amazing journey, raising so much money, it’s warrior like…

‘Please donate because Sam is going through the wringer here, I’ve seen the tears, I’ve seen the grit and the determination – keep supporting the boy!’

Earlier in the day, Chris smirked when he was grilled about his relationship with live on This Morning.

The former Love Island star appeared on the daily ITV show from Towcester where he was covering Sam’s Soccer Aid challenge.

During the segment, host Ben Shephard asked Chris a cheeky question about him and JoJo.

‘Can we just say, because obviously we’re all talking about it. Congratulations on the relationship, we’re all very excited, have we decided whether it’s Hughes-wa… what’s the power couple name?’ Ben asked.

Co-host Cat eagerly added: ‘What is it going to be?’

‘They call it Co-Jo, that’s the one they’re all going for,’ Chris replied.

The two presenters gushed that they liked the name and Chris commented it ‘rolls off the tongue’.

JoJo and Chris have sparked frenzied speculation about their relationship status over the past few weeks since they met in the Celebrity Big Brother house back in April.

Their relationship has grown from platonic to romantic and the Dance Moms star confirmed that she and Chris have made their relationship official, and she’s started calling him her boyfriend in an interview with Capital Radio.

On Sunday, Chris sent fans into a frenzy when he shared a steam bedroom snap with JoJo on Snapchat.

Earlier in the day, Chris(pictured), smirked when he was grilled about his relationship with JoJo Siwa, 22, live on This Morning 

 The former Love Island star appeared on the daily ITV show on Tuesday from Towcester where he was covering Sam Thompson’s Soccer Aid challenge. Pictured: Hosts Cat Deeley and Ben Shephard (left)

Sharing the sweet image of himself and JoJo cuddled in bed together, he captioned the image: ‘Sleeping beauty.’

While in an interview with The Guardian, JoJo gushed about her blossoming romance with Chris, when asked whether things between them were still platonic.

She said: ‘It’s not platonic anymore, and it’s been a beautiful development, a beautiful connection, and I’m absolutely head over heels for him and he’s the same way.’

The Dance Moms star also hit back at speculation that their relationship is a ‘PR stunt,’ saying: ‘Clearly, you’ve never been around us. I won’t ever speak for him, but for me personally, the happiness in my life just radiates off of me right now.

‘Literally yesterday, I was mᴀssaging my cheeks; I’ve never [before] been in pain from smiling so much.’

JoJo also appeared on Sunday’s edition on Sunday Brunch, and fought back tears as she emotionally shared how Chris has been embraced by her family since he first flew to the US to surprise her for her 22nd birthday last month.

She said: ‘She loves him, she does love him. My parents think the absolute world of him, and him and my Dad are like best friends, Chris was actually telling me this yesterday, they went to the spa together yesterday.

‘They’re literally best friends, Mom Siwa she absolutely adores him. I love watching her watch us, because I’ve never seen my mom so happy, and it’s… it’s… I could cry.

‘Honestly, it makes me happy to have everybody act as… it feels like we’re a family, it feels like he’s been in my family for how ever many years it feels like forever.

‘He gets along as well as I do. I think he loves me because of my parents!’