Queen Letizia of Spain is back to business as she arrives in a chic trouser suit for awards ceremony in Madrid following her Guatemala trip

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Queen Letizia of Spain is back to business as she arrived for awards ceremony in Madrid following her trip to Guatemala. 

The mother-of-two, 51, looked sophisticated as she donned a lavender suit as she attended the 'Euros de tu nómina' (Euros from your paycheck)  event on Tuesday. 

The Spanish royal completed her outfit with casual trainers and a white blouse under her stylish oversized blazer.

The former journalist kept things simple when it came to her jewellery, sporting her favourite Coreterno ring, which is engraved with AMOR CHE TUTTO MOVE, meaning Love Moves Everything.

Letizia wore her shiny signature brunette locks down in a straight, sleek blow dry and opted for glamorous makeup, featuring a smoky eye and pink lip gloss.

Queen Letizia of Spain looked sophisticated as she donned a lavender suite as she attended the 'Euros de tu nómina' (Euros from your paycheck) event on Tuesday

'Euros de tu nómina' is a call promoted by Santander Bank workers, who created a fund to help finance different social projects. 

It comes after Letizia travelled to Guatemala on a solo three-day trip to learn about various projects where Spanish cooperation works.

It was her ninth trip made to give visibility to the programs that Spanish cooperation develops in areas considered a priority. 

She was all smiles as she spent the second day of her trip to the Central American country at the San Jose de Chacaya school.

The royal was unafraid to get stuck in with students and chatted with young children in the classroom while they wrote on white boards.

After visiting the school, the royal took to a water, sanitation, child malnutrition and women empowerment project in the same area.

Her royal trip came after journalist Jaime Peñafiel, 91, launched a fresh attack on the European Queen with his new book 'Letizia's Silences', which was was published in Spain last week.

Following his first best-selling book 'Letizia & I' (which alleged that Letizia had an affair with her ex brother-in-law Jamie del Burgo), the veteran royal reporter claims in his latest work that Felipe was 'aware' of his wife's alleged infidelity 'in real time'.

The Spanish royal completed her outfit with casual trainers and a white blouse under her stylish oversized blazer

Letizia wore her shiny signature brunette locks down in a straight, sleek blow dry and opted for glamorous makeup, featuring a smokey eye and pink lip gloss

In January, Jaime Peñafiel was sacked by the Spanish newspaper El Mundo after 20 years following a series of damaging allegations made in his first book 'Letizia & I'.

His best-selling book alleged that Queen Letizia had an affair with her ex-brother-in-law Jamie del Burgo. The Spanish Royal Household refused to comment on the claims at the time.

In his latest work, Jamie claims that Felipe was 'aware that Letizia was cheating on him in real time' as her bodyguards have an obligation to report on her whereabouts.

The author alleges that bodyguards joined Queen Letizia on a trip she took to New York in 2011 with her 'lover' Jaime del Burgo, whom she had dated before meeting Felipe.

The author wrote: 'That day [in New York], she was accompanied by her faithful escorts, who, without a doubt, any, they would pass a report to the Ministry of the Interior or [the Palace of] Zarzuela.'

Following this, Jaime claims that Felipe has been left 'crushed and destroyed' by his wife's alleged cheating.

The royal reporter - who worked for Hola! magazine for 20 years - claims that Felipe has been 'plunged into hell' by his wife's supposed 'betrayal' and 'wants to get out'.

Elsewhere in the book, Jamie labels Queen Letizia 'cold, emotionally immature and passive aggressive' and makes unsubstantiated claims she is 'hated' by King Felipe's family.

Jaime Peñafiel, 91, was sacked by the Spanish newspaper El Mundo after 20 years earlier this year following the publication of first book on the Queen called 'Letizia & I'.

The Spanish Queen got stuck in with student culture during the visit and sat at a wooden desk with other pupils 

The 51-year-old appeared animated as she observed children's clothing at the market stalls in San Jose de Chacaya

Letizia visited Guatemala to learn about various projects in the country where the  Spanish cooperation works

The book sent shockwaves through the Spanish Royal Family after the author alleged that the Queen had a romantic relationship with her ex-brother-in-law Jaime del Burgo. The Spanish Royal Household refused to comment on the claims at the time.

Following his dismissal, the veteran journalist has now written another book - called 'Letizia's Silences' - which begins by delving into her early romance with King Felipe.

In the opening chapter, the author sensationally claims that 'everything in Letizia's world has been broken' as a result of alleged 'deceit, adultery and betrayals'.

The author goes on to say Queen Letizia has a 'cold, indestructible and determined' aura about her and that the royal's silence on the recent allegations signify her 'emotional immaturity'.

Jaime claims the royal 'resorts to silence as a way of controlling and punishing other people'.

He then goes on to claim that Letizia's 'passive aggressive' behaviour towards King Felipe is the reason her 'mother-in-law [Queen Sofia] and sisters-in-laws [Infanta Cristina and the Duchess of Lugo] hate her so much'.

In the following chapter, Jaime alleges that King Felipe fell in love with his future wife while watching her present the news.