Bonnie is a fine neon coral/gold iridescent with pink undertones. Iridescent glitter shift color depending on the background color. If you apply Bonnie over black, it will give a golden effect instead of coral. Bonnie is part of the Summer 2018 collection. 
Magpie Glitter application tips:
Ultrafine/Fine Glitters 
Dab onto the tacky layer of gel with the Magpie applicator brush. Brush off the excess with the Magpie Duster brush. Apply a layer of Magpie Give Me Strength to glue down the loose glitter and cure for 60 seconds. Apply a layer of Magpie Don't Be Tacky and cure to a high shine for 60 seconds. 
Mix with Magpie Give Me Strength (clear) to create a glitter gel. Apply the glitter gel with the Magpie Silicone Tool or the Magpie Illustrator nail art brush or the Magpie Teal Detailer brush. Cure for 60 seconds. Apply a layer of Don't Be Tacky and cure to a high shine for 60 seconds. 
Magpie Glitters can also be mixed with acrylic powder for acrylic enhancements. 
10g of glitter
Photo credit @meganhenderson_nails, @nailed_beauty