The fashion blogger from Tullamore – who has almost 180,000 likes on Facebook and almost 35,000 on Instagram – is a stylist, MC and huge promoter of Irish boutiques and businesses.
Tickets which cost €75 will go on sale this Thursday at 9pm on Eventbrite.
Her evening event entails shopping and drinks reception at 6pm with the show kicking off at 7pm.
Ms McGowan is a brand ambassador for a number of well-known brands including Chlobo Jewellry and Bellamianta Tan.
Her event in Portlaoise will be her last for a couple of months as she recently posted that she was taking a break for the summer.
Her most recent event took place in Athlone last Saturday where she hosted 320 ladies.
The arrival of Lisa’s Lust List to Portlaoise continues a busy recent spell of bloggers coming to the county.
Pippa O’Connor put on Pippa’s Fashion Factory over three days in February in the Midlands Park Hotel while Beo was held in the Heritage Hotel in Killenard in March.