“So so sooooo in love with little feet !!!!! @davidgardner,” The Strangers actress, 38, captioned the image of her son’s bare feet next to a monogrammed baby blanket.
In another photo, the actress posted a pic of her boyfriend, sports manager/agent David Gardner.
“English country weekend with my loves,” she wrote.
Earlier this month, The Lord of the Rings actress shared some shots from their family getaway in Maine.
Tyler is also mom to 10-year-old son Milo with ex-husband Royston Langdon.
And Gardner has a 7-year-old son, Gray, from his previous marriage.
Source: Liv Tyler’s Barefoot Baby Boy