The Love Island star and her pro partner Graziano Di Prima will be performing the dance to Anyone For You (Tiger Lily) by George Ezra.
Posting on Instagram as this weekend’s dances were announced, she revealed the pair had really been putting in the hours to perfect their moves.
Read more: Every Strictly winner so far
“We need your support this weekend guys… we are have worked so hard this week on our quickstep and we cannot WAIT to show you all,” she said.
McDermott is performing one of three Quicksteps this weekend, with Annabel Croft and Johannes Radebe and Layton Williams and Nikita Kuzmin doing the dance too.
Adam Thomas and Luba Mushtuk will be doing the only Tango, performing to Somebody Told Me by Måneskin, while Angela Rippon and Kai Widdrington, Ellie Leach and Vito Coppola and Krishnan Guru-Murthy and Lauren Oakley all have Foxtrots.
Bobby Brazier and Dianne Buswell and Nikita Kanda and Gorka Márquez will be dancing the Charleston, while Nigel Harman and Katya Jones have the Viennese Waltz.
Amanda Abbington and Giovanni Pernice are continuing their journey on the BBC ballroom show with a Salsa to Oye by Gloria Estefan, while Angela Scanlon and Carlos Gu will be hoping to impress the panel with a Jive.
Week One saw a flurry of Cha Cha Chas, but this week there will be just one from Eddie Kadi and Karen Hauer. They will be dancing to Rie y Llora by Celia Cruz.
Jody Cundy and Jowita Przystał are braving the Paso Doble, one of the more challenging dances, and Les Dennis and Nancy Xu will be doing a Samba.
Here's the full list of songs and dance routines for Strictly Week One:
Adam and Luba - Tango to Somebody Told Me by Måneskin
Amanda and Giovanni - Salsa to Oye by Gloria Estefan
Annabel and Johannes - Quickstep to Walking On Sunshine by Katrina & The Waves
Angela R and Kai - Foxtrot to You Make Me Feel So Young by Frank Sinatra
Angela S and Carlos - Jive to Trouble by Shampoo
Bobby and Dianne - Charleston to Do Your Thing by Basement Jaxx
Eddie and Karen - Cha Cha Cha to Rie y Llora by Celia Cruz
Ellie and Vito - Foxtrot to Perfect Fairground by Attraction
Jody and Jowita - Paso Doble to Thunderstruck by AC/DC
Krishnan and Lauren - Foxtrot to Love Really Hurts Without You by Billy Ocean
Layton and Nikita - Quickstep to Puttin’ On The Ritz by Gregory Porter
Les and Nancy - Samba to Rock The Boat by Hues Corporation
Nigel and Katya - Viennese Waltz to Until I Found You by Stephen Sanchez
Nikita and Gorka - Charleston to Single Ladies (Put a Ring on It) by Beyoncé
Zara and Graziano - Quickstep to Anyone For You (Tiger Lily) by George Ezra
Strictly airs on Saturday 30 September from 6.20pm on BBC One and BBC iPlayer.
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