's girlfriend was delighted to see him on Thursday as she hailed the teenage sensation on Instagram.
Eloise Milburn, 21, who is a beauty consultant, was in attendance for the majority of Littler's fairytale run to the World Darts Championship final as he pocketed £200,000 before losing to World No1 Luke Humphries in the final earlier this month.
Littler played his first match since lighting up Ally Pally on Thursday, and came from behind to beat 's Man Lok Leung 6-3.
Milburn was not in Bahrain for the match, but was still watching on from home, and posted a congratulatory message to Littler after he wrapped up victory.
Alongside a screen shot of Littler shaking hands with Leung, Milburn wrote: 'Get in there! Gutted I couldn't be there in person to watch!' before finishing the message with a love heart emoji.
Luke Littler's girlfriend posted a congratulatory message after he won his first match since his run to the World Darts Championship final
Littler's girlfriend, Eloise Milburn, was in attendance for the majority of his fairytale run at Ally Pally
Littler earned £200,000 at the World Championship, and got straight back to winning ways at the Bahrain Masters on Thursday
Littler and Milburn were introduced by mutual friends while playing Xbox, and began dating just seven weeks before the World Championship after bonding over their shared passion for boxing and darts.
Online trolls have pointed out the five-year age gap between the couple, but at the start of January, as she denied that her daughter is only with Littler due to his new-found fame.
'There's been a lot of horrible stuff being posted online about my daughter and my husband Phil and I are very angry about it,' she said.
'Eloise has been accused of all sorts and that she's only with Luke because of his money and fame. But that's a total pack of lies and disgusting. She's not with him for any of these reasons.
'She doesn't care about his money or his fame, she's with him because she likes him. It's as simple as that.'
She added: 'It's really hurtful when we read these comments, many of them from so-called darts fans. My daughter is none of these things that these vile people are making out.
She's a lovely young girl who is in a new relationship and people should allow them to get on with things.'
After going all the way to the World Championship final, Littler insisted he would stand by Milburn , and .
Littler will be back in action this afternoon when he faces fellow Brit Nathan Aspinall in the quarter-finals, with Milburn likely to be watching on from the UK once more.