As a mother of nine, Rachel Campos-Duffy has certainly had practice at pulling off Mother’s Day without a hitch. And she’ll certainly be front and center when the family celebrates today with a brunch at a friend’s house — although not until she’s finished her shift co-hosting “Fox and Friends.” “It’s the same for all moms. The kids will make me cards and give me flowers. We’ll go out to brunch, but try to do too much work,” she told The Post in an interview. Mom of nine, Rachel Campos-Duffy and husband Sean Duffy with their children. For Mother’s Day she told The Post: “It’s the same for all moms. The kids will make me cards and give me flowers. We’ll go out to brunch, but try to do too much work.” Courtest of Rachel Campos-Duffy Donald Trump and one of Rachel’s smiling daughters at the Resolute Desk in the Oval Office. Rachel Campos-Duffy / Instagram Life in her and husband Transportation Secretary Sean Duffy’s main home in New Jersey is often hectic, but they are used to it.…