All that exercise has paid off! Ashlee Simpson looks slender in black workout gear 20 months after welcoming daughter with Evan Ross

Ashlee Simpson emerged from a Studio City gym on Monday looking fit and content not too long after giving birth to her second child, daughter Jagger Snow.

After her workout, the 32-year-old actress and singer strolled down the street carrying a bottle of water and a can of the trendy clean energy drink Runa.

The blonde beauty appeared to be in good spirits as she wore tinted shades, a black athletic sweater and matching yoga pants with maroon sneakers.

Gym ready: Ashlee Simpson was seen leaving a workout in Studio City on Monday

Gym ready: Ashlee Simpson was seen leaving a workout in Studio City on Monday

Commit to stay fit: The 32-year-old singer/actress has seemed bent on burning calories following the July 2015 arrival of her second child
Commit to stay fit: The 32-year-old singer/actress has seemed bent on burning calories following the July 2015 arrival of her second child

Commit to stay fit: The 32-year-old singer/actress has seemed bent on burning calories following the July 2015 arrival of her second child

Looking confident and determined, the Pieces of Me singer also wore an easy grin, no doubt basking in the afterglow of her second go at motherhood.

Jagger Snow is her child with husband Evan Ross, 28. 

Ashlee also has son Bronx Mowgli, 8, with ex-husband Pete Wentz of the alternative rock group Fall Out Boy. 

Peace out: Ashlee made a beeline for her parked car

Peace out: Ashlee made a beeline for her parked car

At One With the World: The sister of Jessica Simpson appears to bask in the glow of motherhood
At One With the World: The sister of Jessica Simpson appears to bask in the glow of motherhood

At One With the World: The sister of Jessica Simpson appears to bask in the glow of motherhood

During her marriage to the bassist, Ashlee went by the surname Simpson-Wentz. 

The couple divorced in November 2011 after three years of marriage.

After a short walk, Ashlee headed to a parked car.

Beyond preggers: Simpson is seen here nine months pregnant while in Studio City

Beyond preggers: Simpson is seen here nine months pregnant while in Studio City

It doesn't seem that long ago that a preggers Ashlee walked the streets of Studio City. 

In July 2015, the very month Jagger Snow was born, the 90210 actress was spotted heading to Bed Bath and Beyond for baby accessories after lunching with Evan at Rocco's Tavern in Studio City.

Just last Thursday, Ashlee was spotted running errands around L.A. with baby Jagger, who turns 2 in July.

The blonde star looked mellow and hippie-ish in flared jeans and a black top with a cropped duster and flip flops.

Like mother, like daughter: Simpson with Jagger Snow in LA on March 16

Like mother, like daughter: Simpson with Jagger Snow in LA on March 16

Jagger looked adorable matching mommy in an cute denim dress with Native American-style trim.

On Tuesday, Ashlee was spotted nestling with husband Evan in a cozy corner at the L.A. grand opening of TAO, Beauty + Essex, Avenue + Luchini.

Reports first surfaced in July 2013 that Ashlee and Evan, son of iconic pop singer Diana Ross, were dating.

Simpson and Ross became engaged in January 2014 and married on August 30, 2014 at Diana Ross' estate. 

Cozy couple: Ross and Simpson at Tuesday's L.A. opening for TAO, Beauty + Essex, Avenue + Luchini

Cozy couple: Ross and Simpson at Tuesday's L.A. opening for TAO, Beauty + Essex, Avenue + Luchini

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