Photo: Jessica Simpson/instagramJessica Simpsonis ending her vacation in style.The singer and fashion designer, 41, shared a mirror selfie Monday at the conclusion of her family’s spring break getaway in Cabos San Lucas.“Adios Cabo San Lucas ☀️,” shecaptionedthe photo, in which she sported a revealing leopard-print bikini paired with a felt cowgirl hat and peep-toe heels.In aseparate post, Simpson shared moments from the vacation in a carousel of pictures that featured husbandEric Johnsonand their three children,Birdie Mae, 3,Ace Knute, 8, andMaxwell Drew, 9.On Thursday, Simpson kicked off the vacation with anotherbikini photo. “I have gained and lost 100lbs 3x so I never thought this moment could or would happen,” shecaptionedthe snap of her wearing a paisley bikini from her self-titled line, adding, “but I’m finally spring breakin' wearin' a BIKINI!!!!!!“Never miss a story — sign up forPEOPLE’s free weekly newsletterto get the biggest news of the week delivered to your inbox every Friday.She credited her transformation to “Hard work,” “Determination” and “Self Love,” telling fans: “I enjoyed a good proud cry today 💪🏼☀️💛.“Speaking to PEOPLElast October, Simpson said that she will be passing on some of her stylish staples to her daughters.“There are some amazing vintage pieces I am keeping for Maxwell and Birdie,” she said in a behind-the-scenes look at her latest collection, adding, “I also have some special pieces of jewelry that will be theirs when the time is right.“She continued, “Maxwell has already grown out of my shoe size, so sadly she never got to wear the Jimmy Choos. I didn’t expect that or I would have turned my storage into her closet!“RELATED VIDEO:Jessica SimpsonIs ‘Determined to Not Let Myself Down’ as She Gets Back into Working Out"Maxwell’s sense of fashion inspires me daily,” the mother of three said. “She has a concrete perspective on what she likes and her mind cannot be changed when she has her heart set on a certain look.”

Photo: Jessica Simpson/instagram

Jessica Simpson

Jessica Simpsonis ending her vacation in style.The singer and fashion designer, 41, shared a mirror selfie Monday at the conclusion of her family’s spring break getaway in Cabos San Lucas.“Adios Cabo San Lucas ☀️,” shecaptionedthe photo, in which she sported a revealing leopard-print bikini paired with a felt cowgirl hat and peep-toe heels.In aseparate post, Simpson shared moments from the vacation in a carousel of pictures that featured husbandEric Johnsonand their three children,Birdie Mae, 3,Ace Knute, 8, andMaxwell Drew, 9.On Thursday, Simpson kicked off the vacation with anotherbikini photo. “I have gained and lost 100lbs 3x so I never thought this moment could or would happen,” shecaptionedthe snap of her wearing a paisley bikini from her self-titled line, adding, “but I’m finally spring breakin' wearin' a BIKINI!!!!!!“Never miss a story — sign up forPEOPLE’s free weekly newsletterto get the biggest news of the week delivered to your inbox every Friday.She credited her transformation to “Hard work,” “Determination” and “Self Love,” telling fans: “I enjoyed a good proud cry today 💪🏼☀️💛.“Speaking to PEOPLElast October, Simpson said that she will be passing on some of her stylish staples to her daughters.“There are some amazing vintage pieces I am keeping for Maxwell and Birdie,” she said in a behind-the-scenes look at her latest collection, adding, “I also have some special pieces of jewelry that will be theirs when the time is right.“She continued, “Maxwell has already grown out of my shoe size, so sadly she never got to wear the Jimmy Choos. I didn’t expect that or I would have turned my storage into her closet!“RELATED VIDEO:Jessica SimpsonIs ‘Determined to Not Let Myself Down’ as She Gets Back into Working Out"Maxwell’s sense of fashion inspires me daily,” the mother of three said. “She has a concrete perspective on what she likes and her mind cannot be changed when she has her heart set on a certain look.”

Jessica Simpsonis ending her vacation in style.

The singer and fashion designer, 41, shared a mirror selfie Monday at the conclusion of her family’s spring break getaway in Cabos San Lucas.

“Adios Cabo San Lucas ☀️,” shecaptionedthe photo, in which she sported a revealing leopard-print bikini paired with a felt cowgirl hat and peep-toe heels.

In aseparate post, Simpson shared moments from the vacation in a carousel of pictures that featured husbandEric Johnsonand their three children,Birdie Mae, 3,Ace Knute, 8, andMaxwell Drew, 9.

On Thursday, Simpson kicked off the vacation with anotherbikini photo. “I have gained and lost 100lbs 3x so I never thought this moment could or would happen,” shecaptionedthe snap of her wearing a paisley bikini from her self-titled line, adding, “but I’m finally spring breakin' wearin' a BIKINI!!!!!!”

Never miss a story — sign up forPEOPLE’s free weekly newsletterto get the biggest news of the week delivered to your inbox every Friday.

She credited her transformation to “Hard work,” “Determination” and “Self Love,” telling fans: “I enjoyed a good proud cry today 💪🏼☀️💛.”

Speaking to PEOPLElast October, Simpson said that she will be passing on some of her stylish staples to her daughters.

“There are some amazing vintage pieces I am keeping for Maxwell and Birdie,” she said in a behind-the-scenes look at her latest collection, adding, “I also have some special pieces of jewelry that will be theirs when the time is right.”

She continued, “Maxwell has already grown out of my shoe size, so sadly she never got to wear the Jimmy Choos. I didn’t expect that or I would have turned my storage into her closet!”

RELATED VIDEO:Jessica SimpsonIs ‘Determined to Not Let Myself Down’ as She Gets Back into Working Out

“Maxwell’s sense of fashion inspires me daily,” the mother of three said. “She has a concrete perspective on what she likes and her mind cannot be changed when she has her heart set on a certain look.”

source: people.com