'The whole time it's been me': Katy Perry jokes she is the real Sia as she plays with the hitmaker's wig after scarfing down a loaded hot dog
The 31-year-old pop star took to Instagram to document seeing Sia over the weekend at the Hollywood Bowl with her older sister.
A video showed Katy wearing a face-concealing black and blonde Sia wig before showing her face and saying, 'Hey guys, the whole time it's been me, Katy Perry!'
Scroll down for video
Music fan: Katy Perry shared video on Instagram of herself enjoying the recent Sia concert in Los Angeles and a hot dog
Katy also was shown in a video eating a hot dog with mustard and ketchup during the show.
The singer pulled a funny face while trying to enjoy her hot dog.
Her video also showed her older sister Angela along with the caption 'sisters night out'.
The Firework singer also shared a clip of Sia performing on the Hollywood Bowl stage.
She's funny: The pop star joked around with a black and blonde Sia wig
Whole time: Katy joked that the whole time it's been her under the Sia wig
Katy's song Double Rainbow from her Prism album was co-written with Sia, 40, and Greg Kurstin.
Sia, full name Sia Furler, has written several hit songs for other artists including David Guetta's Titanium and Rihanna's Diamonds.
The Australian singer embarked on her 23-date Nostalgic For The Present Tour in September in Seattle.
Having fun: The Firework singer pulled a funny face while enjoying her hot dog
Big sister: It was 'sisters night out' as Katy took in the concert with her older sister Angela
Sia wears her signature black and blonde wig that covers the upper half of her face during her performances.
The tour is scheduled to conclude on November 6 in Austin, Texas.
Katy earlier this month also attended the Dolly Parton at the Hollywood Bowl and also shared an Instagram video of herself wolfing down a hot dog.
On the road: Katy also showed Sia, who has been on the road in support of her seventh studio album This Is Acting
Most watched News videos
- CCTV captures final tragic moments of Mirna Salihin's life
- Mother shaves daughters hair after she 'bullies cancer girl'
- GRAPHIC CONTENT: 'Ghost' rises from body after fatal crash
- Bulls head butt each other then die instantly from brutal blow
- Shocking moment girl gets viciously beaten after starting fight
- Mother releases devastating footage of son's final moments
- Lorry smashes into car leaving driver with severe injuries
- Is this the creepy moment the corpse of a girl OPENS her eyes?
- 'Big fat gypsy wedding' in Romania goes on for FOUR days
- Groom ALREADY tired of marriage life just after 15 minutes
- 'Pascal's a G!' Kim Kardashian speaks well of her bodyguard
- GoPro captures the moment a croc swims amongst swimmers