Heidi Klum, Tom Kaulitz can’t hold their palms off her abdomen on Venice vacay

Heidi Klum and her husband, Tom Kaulitz, are massive followers of manifestazioni pubbliche di affetto (that’s Italian for public shows of affection). The genetically blessed couple couldn’t hold their palms off one another — primarily, her midsection — whereas strolling the busy streets of Venice, Italy, earlier this week. Photographers caught the duo holding palms,…