It’s another long one.

EAT
The Royal Wedding Cake
What: Sample a free piece of the fruit dessert from official royal baker Fiona Cairns, who has made more than 50 to ensure she gets it perfect for the big day.
Why: Waste not, want not.
When: Fri., 2-4 p.m.
Where: Selfridges Food Hall, 400 Oxford St., W1A 1AB (08001 234000).

BOOZE
Worship Street Whistling Shop Opens
What: The Fluid Movement team (Purl) launch a Victorian-inspired underground bar modeled after an 18th-century gin palace.
Why: Order traditional drinks (cream gin, gin fizz) to wash down pickled sardines, pork cheeks hot pot, bubble and squeak, plum cake and more.
When: Mon.-Thurs., noon-1 a.m.; Fri. & Sat., noon-2:30 a.m.
Where: 63 Worship St., EC2A 2DU (020 7247 0015).

WEAR
Violet Lake Swimsuits
What: Fashion editor Ursula Lake adds a flattering selection of one-pieces (£145) to her popular bikini range.
Why: Summer has arrived early.
When: Before it ends early.
Where: Online at violet-lake.com.

SEE
Marriage a la Mode: Royals and Commoners In and Out of Love
What: Cartoons, caricatures and comics explore the highs and lows of royal marriages in an exhibition that touches on themes such as overbearing in-laws, hen-pecked husbands and infidelity.
Why: You have to see the funny side.
When: To 22 May. Tues.-Sat., 10:30 a.m.-5:30 p.m.; Sun., noon-5:30 p.m.
Where: The Cartoon Museum, 35 Little Russell St., WC1A 2HH (020 7580 8155).

DANCE
Breakin’ Convention
What: Bust a move at the eighth annual international festival of hip-hop dance, including workshops, street art demos and freestyle circles in the theatre foyer.
Why: You like to move it, move it.
When: Sat.-Mon., 4-10 p.m.
Where: Sadler’s Wells, Rosebery Ave., EC1R 4TN. Tickets (£15-£20) online at sadlerswells.com.

Photo: Tetra Images / Getty Images