London, Jan 20 : Christina Aguilera threw a `wild' birthday bash for her son''s first birthday.

The theme of the bash was inspired by the classic children''s book `Where the Wild Things Are,' reports the Daily Express.

The singer and her husband Jordan Bratman hosted the event at their Beverly Hills, California home on 17 January (09) to celebrate the tot turning one earlier that week
(12Jan09).

The party was full of costumed mythical characters from the book and decorated with festive blue, green and pink balloons.

Christina and Jordan celebrated Max's first birthday with 40 guests at a casual backyard party, People reported.

Among those in attendance were pal Nicole Richie, boyfriend Joel Madden and daughter Harlow, who also celebrated a birthday the day before Max. (ANI)