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As baby names go, it's certainly original.
James and Jools Oliver have announced that their fifth child is to be named River Rocket Oliver.
The boy joins Poppy Honey Rosie, 14, Daisy Boo Pamela, 12, Petal Blossom Rainbow, six, and Buddy Bear Maurice, six, in the Oliver clan.
There have been suggestions that their newborn was named in tribute to the River Cafe which helped propel the chef to fame.
Whatever the reasons, they are far from the first high-profile couple to share a weakness for bizarre baby names.
Here are some of the most unusual celebrity child names:
- River Rocket Oliver (Jamie and Jools Oliver)
- Moon Unit Zappa (born to Frank and Gail Zappa)
- Phinnaeus Walter Moder (Julia Roberts and Daniel Moder)
- Zuma Nesta Rock Rossdale (Gwen Stefani and Gavin Rossdale)
- Blue Ivy Carter (Beyonce Knowles and Shawn Carter)
- North West (Kim Kardashian and Kanye West)
- Pilot Inspektor Riesgraf Lee (Jason Lee and Beth Riesgraf)
- Harper Seven Beckham (Victoria and David Beckham)
- Apple Martin (Gwyneth Paltrow and Chris Martin)
- Fifi Trixibelle Geldof (Bob Geldof and Paula Yates)
What do you think the most bizarre name is? Take our poll.