She has been in the throes of a PDA-packed relationship with her new beau Richard Lee ever since debuting their romance several months ago.
And Alessandra Ambrosio continued to spread the love as she locked lips with her hunky boyfriend in honor of his birthday on Tuesday.
The runway star, 40, posted a slideshow gushing about her birthday beau, including a snap of herself giving Richard a kiss on the lips.
Birthday kisses! Alessandra Ambrosio continued to spread the love as she locked lips with her model boyfriend Richard Lee in honor of his birthday on Tuesday
The couple clinked glasses as they locked lips whilst enjoying a scrumptious meal at Kassi Beach House in Las Vegas.
One of the flirty snaps captured the gorgeous twosome looking as smitten as can be as they shared a drink.
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The birthday boy couldn't help but dote on his girlfriend as he affectionately puckered up to her in one of the snaps.
Alessandra and her boyfriend looked incredible for their night out celebrating Richard's big day.