Hush Hush" is a song by the Pussycat Dolls, included on the first edition of their second studio album Doll Domination (2008). Originally a slow ballad, the song was remade into an uptempo, disco-inspired dance song sampling parts of Gloria Gaynor's 1978 hit "I Will Survive", and retitled "Hush Hush; Hush Hush". The dance version was later released as a single from a reworked version of the Doll's second album, Doll Domination 2.0.

Despite the original version never officially being released, the song would go on enter the Russian Airplay Chart, debuting at thirty-eight, and eventually reaching number one. It outperformed the majority of the official singles released in Russia helping the album to reach Gold status. "Hush Hush" became the fourth song by an American artist to reach number-one (the previous being Katy Perry with "Hot N Cold") in Russia.
The music video for the up-tempo version was filmed over two days on May 5 and 6 with director Rich Lee (Fergie's "Clumsy"). It featured cameo appearances by celebrity blogger Perez Hilton and former VIP Pussycat Doll Carmen Electra, who used to sing lead vocals with the Dolls during their burlesque performances. The video was made available for fans in North America to view on the Dolls official youtube channel Doll Domination TV on May 27, 2009 and premiered a week later in the UK on 4 Music. The video was added to the Itunes store on June 4, 2009 and has since reach a peak of #3 on the Music Videos chart.

The music video starts off with Nicole Scherzinger in a bathtub singing the first verse. As the song progresses, she gets up and leaves the bath room unclothed. As she goes through a door she is suddenly seen in with her clothes on. When the chorus starts, she and the other Pussycat Dolls dance and sing in a hallway with regular, sideways, and upside down stairways. In the second verse, Scherzinger starts singing in a club with the other Dolls dancing in roller skates. In this part, product placement can be seen; the laptop is sponsored by HP and Pussycat Doll Jessica Sutta is serving Campari. Before the second refrain, Nicole Scherzinger enters a room where Ashley Roberts and Kimberly Wyatt swing on huge lamps. When the second refrain begins, she enters a new disco room where the other Dolls are dancing without roller skates. This scene includes close-ups of Perez Hilton and Carmen Electra. At the bridge, the video fades out of a large mirror ball and fades into a closeup of Scherzinger singing lyrics from the song "I Will Survive" by Gloria Gaynor in front of the mirror ball. During this part, the whole doll house in which the different rooms are set is seen and the other Dolls have solo dance scenes. When the famous "I Will Survive" string part begins, violinists can be seen playing in the mirror ball room and the Dolls excluding Nicole Scherzinger have solo dance parts again. After that all of the Pussycat Dolls are dancing with male partners in the room with the mirror ball. At the end, Nicole Schrzinger is finishing the song singing "Baby, Hush hush" in the mirror ball room. It closes with with a whole shot of the doll house with all dancers and Dolls in the lowest disco room.