And although Tara unfortunately couldn't impress Kylie Minogue, her idol Tom Jones or any of the other coaches at the Blind Auditions, the sight of 'Nessa' singing has stuck with us and got us thinking about all the great musical interludes that cropped up during James Corden and Ruth Jones's classic BBC sitcom.
And with news today that Gavin & Stacey could be returning, we can't think of a better time to revisit the show's greatest vocal performances...
'Barry Islands in the Stream'
It's Gwen's (Melanie Walters) birthday and amid nearly having a mental breakdown trying to secretly organise a line dance party for her, Bryn (Rob Brydon) also needs to practise a show-stopping duet with Nessa (Ruth Jones) in her honour. After a perfectly capable rendition of 'Something Stupid', the pair eventually opt for Kenny Rogers/Dolly Parton classic 'Islands in the Stream'.
A wise choice, as their cover became an actual number one hit in the real world, thanks to the addition of the aforementioned Mr Jones and Robin Gibb, and made a tidy sum for Comic Relief in 2009.
"Do we have to have James Blunt all the way home?"
A more intimate performance here from Bryn, but no less memorable. Listening to James Blunt is a trial at the best of times, but when Gwen's just said goodbye to Stacey (Joanna Page) as she begins her new life in Essex, Back to Bedlam is adding insult to injury.
Bryn does a great job at capturing the toe-curling whininess of Blunt's vocals on 'Goodbye My Lover' and 'Wisemen', while a thoroughly unimpressed Gwen represents the selection of people overcome with murderous rage when forced to listen to him. "It's the lyrics more than anything, they just don't make sense!"
"What's your persooooona about this Americaaaana..."
Smithy (James Corden) and his sister Rudi (Sheridan Smith) try to impress Gavin (Mat Horne) by enthusiastically recalling the entire Kanye West rap from Estelle's 'American Boy' over the phone in an Essex car park.
Given how sensitive Smithy always was about Gavin moving on and growing up, we can't imagine he'd have been happy to know just how uninterested Gavin was in the routine they spent two weeks perfecting.
Doris does Morrissey
The late Margaret John made Gwen's elderly neighbour Doris into a great supporting character on Gavin & Stacey, playing the temperamental and randy pensioner with gusto.
After a lovely day spent on the beach at Barry, Doris continues to play against the old person stereotype by picking up a guitar and serenading everyone with The Smiths classic 'There Is a Light That Never Goes Out'. The lyric "If a ten ton truck kills the both of us..." cooed in a frail, Welsh voice = comedy gold.
"You Can Be Slow or Fast, But You Must Get to the Line"
A great, goofy moment this. Smithy comes bursting through the door of Gavin's place and before even saying "hello" is leading him in a rendition of New Order's 1990 England World Cup track 'World in Motion'.
Soon enough dad Mick (Larry Lamb) is joining in, and even mum Pam (Alison Steadman) outs herself as a fan of the footie classic, jumping in to prevent the performance from derailing when it hits less familiar territory.
Bryn has 'Something Inside So Strong'
Trust Uncle Bryn to inject an epic feel into something as quaint as a christening in a tiny Welsh church. Before Nessa and Smithy's baby Neil gets his head splashed, Bryn fills the rafters with Labi Siffre's '(Something Inside) So Strong', accompanied by a gospel choir and a penetrating drum beat courtesy of Doris.
Smithy's 'narcoleptic' mother Pam Ferris may have napped off mid-performance, but we couldn't take our eyes off it.
Honorable mentions: Pete and Dawn channelling Coldplay and Michael Jackson's 'Ben' when renewing their vows (technically spoken word), Gavin and Smithy performing 'Do They Know It's Christmas?' (because we're so over the yuletide).