Someone get Jessica Biel an aspirin! The 35-year-old Sinner star had a fun time in Las Vegas celebrating her future sister-in-law’s bachelorette party.
“What happens in Vegas… comes home with you! Had a blst welcoming my new sister to the fam. Thank you @redrockcasino for taking such good care of us!” Biel captioned a series of photos late Tuesday night.
In the pics, Biel poses with her brother Justin Biel’s fiancée, Rose Muniz, and seven other ladies in a fun backlit phot…