Disclaimer: These are merely suggestions! Wear whatever makes you happy and whatever makes you feel confident! (Disclaimer 2.0: I am a pale white girl so I know that some of the lipsticks I specifically mentioned won't work for everyone and every skin tone.. but the suggested shades can be tweaked to fit!)
First Date
We all want to make a good impression on our first dates, and wow whoever we're out with!
For a first date I suggest a nice rose colored, romantic shade. The intensity of this shade can be based on the date!

Some of my suggestions are:
-NYX Extra Creamy Round Lipstick in Tea Rose ($4)
-Charlotte Tilbury K.I.S.S.I.N.G Lipstick in Stoned Rose ($34)
-Lorac Alter Ego Lipstick in Flirt ($18)
-No7 Moisture Drench Lipstick in Deep Rose ($12.99)
Job Interview
This might be one of the most important things you'll have to face in your life.. so what is the right shade?
You can never go wrong with a sensible berry shade.

Some of my suggestions are:
-NYX Matte Lipstick in Siren ($6)
-NYX Butter Lipstick in Ripe Berry ($6)
-Ulta Lipstick Cream in Bit of Berry 246 ($9)
-MAC Cremesheen Lipstick in Hang Up ($18)
Meeting The Parents
So you nailed that first date, now it's time to meet the parents!
A peachy nude color is perfect for this! Not too intense, but still has a finished and sophisticated look.

Some of my suggestions are:
-L'Oréal Colour Riche Lipcolour in Peach Fuzz 417 ($6)
-Maybelline Color Sensational Lip Color in Peach Buff 540 ($6)
-Too Faced Peach Kiss Lipsticks in Peach Beach ($21)
-Charlotte Tilbury Matte Revolution Lipstick in Sexy Sienna ($34)
Night Out Whether you're going sheer, glossy, or matte.. you can never go wrong with red!

Some of my suggestions are:
-NYX Matte Lipstick in Pure Red ($4)
-NYX Extra Creamy Round Lipstick in Chic Red ($5)
-L'Oreal Colour Riche Collection Exclusive Lip Color in Blakes Red ($6)
-M·A·C Lipstick in Ruby Woo or Russian Red ($14)
Wedding Guest/Dinner Party/Event
This is where you can take on some fun pinks!

Some of my suggestions are:
-e.l.f. Moisturizing Lipstick in Pink Minx ($2)
-Revlon Super Lustrous Matte Lipstick in Stormy Pink 011 ($4)
-NYX Matte Lipstick in Pale Pink ($6)
-Anastasia Beverly Hills Matte Lipstick in Pink ($18)
Grocery Store
You have to have an everyday lipstick.. that's just a fact and a nice pink nude shade is the best!

Some of my suggestions are:
-E.L.F. Cosmetics E.l.f. Essential Lipstick in Nostalgic ($1)
-E.l.f Cosmetics Lipstick in Nicely Nude ($5)
-Smashbox Be Legendary Matte Lipstick in Nerve this one is very pale ($13)
-M·A·C Lipstick in Honeylove or Creme D'Nude ($18)