Following the success of their Poshmark Pop-Up closet on May 8th, Katherine and her mom Nancy decided to further empty their wardrobes, with more of their favorite designer clothes and accessories put on sale to benefit a good cause.

Katherine Heigl Katherine Heigl and rescue pup Sarge

Their second Poshmark 'drop' began today and took the total number of items donated by the pair to over 160. All of the Heigl's proceeds from the sale benefit abandoned, abused and neglected animals through the work of their non-profit animal welfare organization the Jason Debus Heigl Foundation.

So if you are looking to get your hands on some amazing items from the likes of Jimmy Choo, Christian Louboutin, Valentino, Oscar de la Renta, Stella McCartney, Ralph Lauren, Burberry, Fendi and Gucci then get your shop on! Head on over to the Heigl's Poshmark Pop Up with the knowledge that not only will you be getting your hands on some great designer pieces, your purchase will also be helping animals in desperate need.

Speaking to Romper Katherine explained that while she admits to being "ruthless" when it comes to getting rid of things, giving up shoes has always been a challenge for her.

"The hardest pieces to let go of are shoes," Katherine revealed. ""I'm a shoe gal through and through and they are typically the last thing I clean out."

However, Heigl shared that things were different this time around because of how her shoe size changed after having children.

"They were the first to go since my feet grew a full size after pregnancy. I had no choice but to let go of some of my beloved shoes."

"I’m pretty fastidious about keeping my house and my closet clutter-free, so I do several clean outs a year. In the past, I’ve donated my clothes to local churches and women's shelters, but when I found Poshmark through an Instagram post, I decided to check it out and see if there was a way I could use my closet clean-out to help my own foundation," Katherine explained.

When asked if she would also consider selling her maternity clothes — or any of her children's clothes once they've grown out of them, Katherine said that she "would love to sell both! I have so many adorable pieces from Joshua Jr. that he only wore once or twice because he has been growing so quickly."