"Happy birthday mama's angel!" Where does the time go? It feels like just yesterday that Gigi Hadid and her ex-boyfriend, Zayn Malik, announced that they welcomed a child together. But, alas ...

Just ask OG squad member Gigi Hadid, who snuck a sweet homage to Swift ... filled with models pacing in the brand's iconic oversized angel wings and their latest lingerie, and sprinkled with ...