H.P. All Stars

H.P. オールスターズ (H.P. All Stars atau Hello! Project All Stars) ialah gabungan artis solo dan kumpulan - kumpulan dari Hello! Project dengan jumlah ahlinya iaitu 46 orang.

Mereka hanya menjual satu single, yang berjudul ALL FOR ONE & ONE FOR ALL! pada Disember 2004.

Ahli 

 Morning Musume Generasi Pertama(1997)
 Nakazawa Yuko
 Iida Kaori
 Abe Natsumi
 Morning Musume Generasi Kedua (1998)
 Yaguchi Mari
 Yasuda Kei
 Morning Musume Generasi ketiga / Taiyou to Ciscomoon / Coconuts Musume (1999)
 Goto Maki
 Inaba Atsuko
 Ayaka
 Country Musume / Melon Kinenbi (2000)
 Kimura Asami
 Saito Hitomi
 Murata Megumi
 Ohtani Masae
 Shibata Ayumi
 Morning Musume Generasi keempat(2000)
 Ishikawa Rika
 Yoshizawa Hitomi
 Ai Kago
 Nozomi Tsuji
 Artis Solo (2000/2001)
 Maeda Yuki
 Matsuura Aya
 Morning Musume Generasi kelima (2001)
 Takahashi Ai
 Konno Asami
 Ogawa Makoto
 Niigaki Risa
 Country Musume / Aris Solo (2002)
 Satoda Mai
 Fujimoto Miki
 Hello! Project Kids (2002)
 Yajima Maimi
 Umeda Erika
 Murakami Megumi
 Nakajima Saki
 Suzuki Airi
 Okai Chisato
 Hagiwara Mai
 Berryz Koubou
 Saki Shimizu
 Tsugunaga Momoko
 Chinami Tokunaga
 Maasa Sudou
 Miyabi Natsuyaki
 Ishimura Maiha
 Yurina Kumai
 Risako Sugaya
 Morning Musume Generasi keenam (kecuali Fujimoto) (2003)
 Kamei Eri
 Michishige Sayumi
 Tanaka Reina
 Country Musume / Biyuuden (2003/2004)
 Saitou Miuna
 Miyoshi Erika
 Okada Yui

Kumpulan 

 Morning Musume
 Melon Kinenbi
 Country Musume
 V-u-den
 W
 Berryz Koubou
 Hello! Project Kids

Artis Solo 

 Matsuura Aya
 Nakazawa Yuko
 Abe Natsumi
 Yasuda Kei
 Goto Maki
 Inaba Atsuko
 Maeda Yuki
 Kimura Ayaka (sole remaining member of Coconuts Musume)

Diskografi

Single 

Hello! Project
Unit Shuffle