Kylie Minogue sang at her nephew Ethan's birthday party on Saturday (02.07.11).
The 'Get Out Of My Way' hitmaker was among a host of stars to attend her sister Dannii Minogue and her partner Kris Smith's son's first birthday.
Other celebrity well-wishers included Brian McFadden ' who is Ethan's godfather - and Australian singer Guy Sebastian.
Kris, 32, took his twitter page afterwards to thank everyone who came and made the day special for baby Ethan.
He wrote: "Thank you to @DanniiMinogue @kylieminogue @BrianMcFadden @GuySebastian for headlining at Ethan's Birthday party it was unreal. Xxx (sic)"
Dannii ' who is back in the country to judge 'Australia's Got Talent' ' purchased a giant cupcake to celebrate the landmark day at her home in Melbourne, which also featured a selection of Bruno Mars songs played on their stereo.
Kris also tweeted: "@BrunoMars your playing at my sons first birthday party as I write this, thank you!!! (sic)"
Brian ' who recently split with from his pop star girlfriend Delta Goodrem - also enjoyed himself and the "open juice bar".
He wrote: "'happy birthday to my little godson ethan! He threw a killer first birthday party. Open juice bar and cupcakes! (sic)"
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