No frills spared! Britney Spears floats into spring with a pretty white ruffled top and black leggings

With the famously balmy Los Angeles weather getting even warmer, Britney Spears is stepping into spring in a series of floaty ensembles.
After Friday's Charlie Brown-inspired yellow and black top, Britney wore a similar number on Saturday, sporting a frilly white sleeveless vest top over black leggings and brown T-bar pumps.
The 31-year-old singer completed her outfit with a pair of aviator sunglasses, matching silver necklace and earrings.

The white stuff: Britney Spears sported a floaty frilly top, leggings and brown T-bar pumps as she shopped at Pet Smart in the Thousand Oaks area of Los Angeles, California on Saturday

But she was without her sons by ex-husband Kevin Federline, Jayden James, six and seven-year-old Sean Preston
The chart topping singer has been enjoying some down-to-earth activities of late, having gone grocery shopping on Friday.
And on Saturday she headed over to the Thousand Oaks area of Los Angeles to shop at Pet Smart.

Superstar shopping: Britney happily ran errands at the popular pet store

Letting loose: Britney shook her long locks loose as she soaked up the sunshine

Good spirits: The star looked happy and relaxed as she returned to her vehicle

However, she is very much focussing on her singing career - she recently revealed she would be releasing a single for the new Smurfs movie soundtrack.
The star will release single Ooh La La for the film, which will be released in the U.S. on July 31. 
She tweeted on Wednesday:  'Remember that surprise song I recorded for my boys? It's coming soon! #OohLaLa for #TheSmurfs2 :) Stay tuned for more...'

Aviator: Britney completed her ensemble with matching silver earring and necklace teamed with sunglasses

Oops I did it again: The star's top was remarkably similar to the sleeveless yellow number she wore on Friday

The new song  was produced by collaborators  on her last album Femme Fatale and will play during the ending credits of the Smurf sequel which again features the voice of Katy Perry.
'I have always loved the Smurfs as a kid and now my boys are the biggest Smurfs fans EVER,' she said in a press release.

'I wanted to surprise them with a song in the movie. I know they'll think it's Smurftastic!'

Star in stripes: Britney Spears stepped out in a yellow and black tent-like top over cropped black leggings and beige boots in the Westlake area of Los Angeles, California on Friday

Shop til she drops: Britney looked in good spirits as she headed out to the grocery store

Good spirits: Britney has been enjoying some down time after revealing she would not be returning to U.S. X Factor next season

The track is the singer's first solo single since the singer's 2011 album Femme Fatale which featured hits including Till the World Ends and I Wanna Go.
She is also featured on will.i.am's current song Scream & Shout.
Earlier this year, Britney revealed she would not be returning to be a judge on the third season of U.S. X Factor.
Demi Lovato will be back as a judge alongside Simon Cowell, but with L.A. Reid also not returning, therer are two spaces left to be filled on the show.

Soaking up the sun: The star looked like she was enjoying the warmer spring weather in Los Angeles