Koala - "Star" can refer to many type of celebrities including musicians, actors/actresses, athletes, etc.

westlife , take that

all songs of Girls' Generation,

:)

Galaxy Supernova, new one

By country:

(Denmark)

Jon Nørgaard

Medina

Thomas Holm

Johnny Deluxe

Nephew

Julie Maria

Christian Brøns

Xander

Panamah

(Sweden)

Veronica Maggio

Patrik Isaksson

Sarah Dawn Finer

Kent

Familjen

Stiftelsen

Petra Marklund (formerly known as "September")

Markus Krunegård

Daniel Adams-Ray

(Italy)

Le Mani

Laura Pausini

Virginio

Vanilla Sky

Tiziano Ferro

(Russia)

Винтаж (Vintage)

Инь-Ян (In' jan or "Ying Yang")

Алсу́ /Alsou

Рома Кенга (Roma Kenga)

Юлия Волкова (Julia Volkova)

Лена Катина (Lena Katina)

МакSим (MakSim)

Виа Гра (Via Gra)/Nu Virgos

Нэлли Мотяева

(Ukraine)

Вера Брежнева 

ОКЕАН ЕЛЬЗИ

(Germany)

Glasperlenspiel

Juli

Sportfreunde Stiller

(Austria)

Christina Stürmer

(Japan)

宇多田ヒカル

西野カナ

アンジェラ・アキ

YUI

Miwa

上木彩矢

伊藤由奈

椎名林檎

きゃりーぱみゅぱみゅ

(Canada en Francais)

Garou

Céline Dion

Natasha St-Pier

Les Breastfeeders

(France)

La Grande Sophie

Pascal Obispo

Amel Bent

Melissa Mars

Hélène Ségara

M. Pokora

Vitaa

(Iceland)

Sigur Rós

Björk

Jóhanna (Yohanna)

Jónsi

Draumurinn

(Finnish)

Katri Ylander

Jenni Vartiainen

There's more obviously but this is all I can think of at the moment.

hotelcalifornia-eagles ,fun-some nights

*and one question - singing star seem a bit unnecessary?can we use just 'star' indeed?are both of them  true?