Selena Gomez flashes a toned tummy after Bieber dates

Selena Gomez had a major health scare this summer when she underwent a kidney transplant. The has been fighting Lupus for years.

But on Wednesday the 25-year-old Fetish singer looked like the picture of health as she showed off her tummy when heading to a gym in Los Angeles.

This sighting follows a fun bicycle date the Texas native had with ex Justin Bieber on Halloween. She has been spending time with the Purpose hitmaker after her shock split from crooner The Weeknd.

The right step: Selena Gomez looked like the picture of health as she went to the gym in Los Angeles on Wednesday

The right step: Selena Gomez looked like the picture of health as she went to the gym in Los Angeles on Wednesday

Ready to sweat: The 25-year-old Fetish singer wore a black sports bra and matching Puma shirts with a white shirt around her shoulders

Ready to sweat: The 25-year-old Fetish singer wore a black sports bra and matching Puma shirts with a white shirt around her shoulders

Gomez had a glow to her as she walked into the LA gym alone with a book and pen in her hand as well as her keys and a cell phone.

The Wolves singer showed off a flawless figure in a black sports bra and matching Puma shorts with white sneakers and a white shirt over her shoulders.

The musician, who has been named Billboard's 2017 Woman Of The Year, wore a short yellow gold necklace that appeared to have a cross pendant.

Gomez had a glow to her as she walked into the LA gym alone

She carried a book and pen in her hand as well as her keys and a cell phone

Natural : Gomez had a glow to her as she walked into the LA gym alone with a book and pen in her hand as well as her keys and a cell phone

Bling it on: The musician, who has been named Billboard's 2017 Woman Of The Year, wore a short yellow gold necklace that appeared to have a cross pendant

Bling it on: The musician, who has been named Billboard's 2017 Woman Of The Year, wore a short yellow gold necklace that appeared to have a cross pendant

Selena wore her brunette locks in a top knot.

Fans were shocked to see Selena back in the company with Justin last week after what was widely reported as a very painful breakup in 2016.

There were claims he cheated on her with several women, and then he shot back that she had cheated with Zayn Malik.

Back to movies: The star just filmed the new Woody Allen movie and she has been providing the voice of Mavis for Hotel Transylvania 3

Back to movies: The star just filmed the new Woody Allen movie and she has been providing the voice of Mavis for Hotel Transylvania 3

The Baby singer apologized up and down in his Purpose album with such songs as Sorry for his bad behavior.

And when promoting the album he said that his life turned around when he had an experience with God.

He would not go into detail, but he said it made him go from self-indulgent to wanting to help others.

After her session: When leaving the gym, the Bad Liar singer was seen carrying a bottle of Fiji water

After her session: When leaving the gym, the Bad Liar singer was seen carrying a bottle of Fiji water

Bieber has been devoted to his bible studies ever since.

It is believed to be this new and improved Bieber that has made Selena fall back into his arms.

In the past week she has seen glued to the star as she has visited his new LA rental, and he has been at her home.

They were also seen getting breakfast together, and on Tuesday, laughing as they rode bikes.

Back on? Fans were shocked to see Selena back in the company with Justin last week after what was widely reported as a very painful breakup in 2016

Back on? Fans were shocked to see Selena back in the company with Justin last week after what was widely reported as a very painful breakup in 2016

Wheely fun time: The Good For You singer laughed as Bieber joked around

Wheely fun time: The Good For You singer laughed as Bieber joked around

He's helping her: She wore a grey sweater while he had on a red Thrasher hoodie

He's helping her: She wore a grey sweater while he had on a red Thrasher hoodie

Justin was a goofball as he sang, put up his hand and rode without holding the steering wheel. 

At one point, the songstress leaned her head on Justin's shoulder after leaving a local cafe.

They first enjoyed a long bike ride together, with Selena smiling ear to ear as Justin, 23, goofed around in front of her.

Her bestie: Francia Raisa showed off her scars from her kidney surgery after giving best friend Selena one of her kidneys, but Gomez had no scars

Her bestie: Francia Raisa showed off her scars from her kidney surgery after giving best friend Selena one of her kidneys, but Gomez had no scars

A bond forever: The two held hands in the hospital; they spoke on the Today show about their ordeal

A bond forever: The two held hands in the hospital; they spoke on the Today show about their ordeal

Selena and Justin then parked their bikes near a cafe, where they both grabbed ice coffees.  

After picking up refreshments, the brunette star smiled and grabbed his arm - eventually resting her head on his shoulder.

The former Disney star rocked an oversized gray sweater with matching leggings, adding white sneakers. 

Selena styled her short brunette locks loose with a deep side part and a natural wave.

Blast from the past: They are seen here in November 2011 at the American Music Awards in LA; they dated until 2016

Blast from the past: They are seen here in November 2011 at the American Music Awards in LA; they dated until 2016

The star, who sported just a touch of makeup, had her cream Coach handbag slung over one shoulder.

Selena also carried a book and a large notebook in one hand.

Justin also cut a casual figure in a bold red Thrasher hoodie with black and white shorts.

The Sorry artist wore his hoodie over his hair for most of their outing together. 

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