The Red Velvet members can be quite playful, and Wendy recently shared a story of what the members did for her birthday during their trainee days.

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Red Velvet’s Seulgi (Left) & Wendy (Right) | @jill92_/Twitter

During their trainee days, the members once made Wendy a birthday cake made out of mostly healthy jellies and cherry tomatoes since she was on a diet.

| Red Velvet/YouTube

The Red Velvet members also pranked Wendy before presenting the cake, as Irene and Joy pretended to fight each other.

| Red Velvet/YouTube

Wendy explained that she had given some rice cakes to the members, but someone said they shouldn’t eat them. After this, Irene and Joy pretended that they were mad at each other and began “fighting.”

| Red Velvet/YouTube

Wendy felt sorry, as she believed that she was the “reason” why they began fighting. Wendy didn’t know what to do, and Joy went outside “crying.”

| Red Velvet/YouTube

Joy soon came back in and brought in the birthday cake they made and started wishing Wendy a happy birthday! Wendy now looks at this as an “unforgettable memory!”

| Red Velvet/YouTube

Here’s the full video below!