American footwear brand, UGG � Australia, held an opening party, titled �A Celebration of Summer�, in Ginza, Tokyo.

At the luxurious venue, various models wore summer-like outfits, all paired with UGG�s signature sheepskin boots. Actress Okamoto Rei charmed the crowd with her cute blue boots, simple white outfit, and heart-shaped red purse. "Anecan" model Takagi Reiko also made an appearance at the event, sporting pink boots and a casual outfit.

The star-studded affair� included multiple mini-events, including a talk show between model Yoshikawa Hinano, former Japanese rugby union player Ohata Daisuke, pro-basketball player Igarashi Kei, and former Japanese soccer player Kitagawa Tsuyoshi.

Singer Tsuchiya Anna also came on stage to sing four of her songs - including the tracks �True Colors� and �Brave vibration� - for a powerful and fun performance.

Other celebrities who attended the event include Anzai Hiroko, Hatana Hiroko, Aoyama Reira, Mori Erika, Hirano Yumi, Miyu, Yamamoto Mitsuki, Mizusawa Elena, Ahn Mika, Reina, Nose Anna, Mori Kimiko, Kuzuoka Midori, Kagami Seira, and Emi.

Check out the pictures from the event below!

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Source & Photos: Model Press