The London Eurovision Party is now in its eighth year, and for the second year will be held in the Café de Paris in the heart of the west end of London.
The following artists from 2015 will be appearing:
Australia - Guy Sebastian
Cyprus - John Karayiannis
Czech Republic - Marta Jandová and Václav Noid Bárta
Greece - Maria-Elena Kyriakou
Moldova - Eduard Romanyuta
Norway - Mørland & Debrah Scarlett
Switzerland - Mélanie René
United Kingdom - Electro Velvet
It won't just be songs from the 2015 contest that will be performed on the stage at the Café de Paris, as some of the artists will be performing some additional, and sometimes familiar, songs.
The headline special guest is Conchita Wurst (2014 winner for Austria), Also appearing are former participants Ray Caruana (United Kingdom 1989), Christer Björkman (Sweden 1992), Sarbel (Greece 2007), Kurt Calleja (Malta 2012) and Kitty Brucknell who participated in this year's Swiss and Moldovan selections.
The United Kingdom entrants from 2015, Electro Velvet, will be on familiar territory as the Café de Paris was the location used to film their preview video. Tonight they get the opportunity to perform Still In Love With You in front of a home crowd.
Watch Electro Velvet at the Café de Paris
Eurovision.tv will be covering the press session with all the artists at the London Preview Party, and bringing you the highlights of tonight's concert.
Who are you looking forward to seeing at the London Preview Party?